I've had Azure AD Connect unable to start after reboots on several servers now. I googled this problem and your solution came right up! Fast forward to a couple of days later, finally have time to look into it. Ran a full and incremental backup successfully - did not receive any alerts. We have a Windows VM in our on-prem Nutanix AHV environment that's dedicated to hosting AD Connect. Remember your path might differ. Only way I could find to fix was to reinstall AADC. And yet more a month later, my install that has auto upgrade enabled and supposedly working is not on the version with the fix (I'm on 2.0.91.0 as of this morning and just encountered the above problem). An older tip but it checks out. From there, you copy the model.mdf and modellog.ldf files and paste those in the folder you opened above, overwriting the existing, corrupt model.mdf and model.ldf files. NOTE: To answer you as quickly as possible, please mention me in your reply. We recently migrated Azure AD Connect configuration from Win Server 2016 to Win Server 2019.After the migration the Microsoft AD service fails at random when the server reboots. The while-loop continued running until the queue was empty. Man I could have used you 1 year ago. Azure has been working fine for a while now on our Windows Server 2016 Active Directory server however it seems like suddenly, the AD Sync service stopped working. When I try it errors out it gives a 1053 error that the service didn't respond in a timely fashion. In Azure AD Connect installation wizard, we use the express settings. Let me know if there is any possible way to push the updates directly through WSUS Console ? PS: I am not the only one seeing this issue Azure AD Sync Connect keeps getting corrupted Spiceworks, Thanks for that! Additional Details The following error information was returned by the provider: OriginalError=0x80004005 OLEDB Provider error (s): Retrieve the current price of a ERC20 token from uniswap v2 router using web3js, The number of distinct words in a sentence, Dealing with hard questions during a software developer interview. Look for the service and check the Properties and identify its service name. I did a repair/reinstall and it has been fine since. More info about Internet Explorer and Microsoft Edge. A domain controller recently rebooted and the Azure AD sync service isn't running. Do click on "Mark as Answer" on the post that helps you, this can be beneficial to other community members. **. Our issue was unrelated to AD Connect, but many symptoms match this. and the service is configured to run as DOMAINAME\AdSyncMSAxxxx. If I go into services, it's stuck on "Starting". Azure Events Press J to jump to the feed. Prajwal Desai is a Microsoft MVP in Enterprise Mobility. Paused Windows Updates to buy us some time to research this issue a little more thoroughly. NOTE: To answer you as quickly as possible, please mention me in your reply. C:\Windows\ServiceProfiles\ADSync\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\ADSync2019 (Thanks TinyBerry2). Error 1053. If you made any changes to the local group policy or domain group policy, restart the computer to apply the changes. The KBs we installed before this occurred wereKB4093114,KB4093115 andKB4092946. Verify that the agent in question is there. Connect and share knowledge within a single location that is structured and easy to search. Analyze your GPOs once and see if something is uninstalling the Azure ADSync from the computer. If you are seeing this it could be the Sync DB has become damaged. Completely at random - sometimes reboots are fine, sometimes not. You can also try to find and fix the problem by scanning the application and system events in the directory synchronization logs. Asking for help, clarification, or responding to other answers. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Microsoft released Azure AD Connect 2.1.1.0 on March 24th 2022 which fixes the issue described in this blog post). @Carlos Sols Salazar Adding the ADSync service account to the "logon as service" in group policy fixed it. If you run the service as another account or as a group Managed Service Account, change the account name in the service profile location above. The other week we moved the AD connect from a windows 2012 server to 2019. A service user account is successfully auto-generated during the installation. Thanks for contributing an answer to Stack Overflow! I just had to use this and it solved the problem for me. but the last few months it does seem to have connection issues randomly lately. Our synchronization between onpremise & Azure is stopped. Create an account to follow your favorite communities and start taking part in conversations. Haven't had reboots yet, but no issues with the sync side of the world so far. Youll find them. So backups, VSS, it seems there is a correlation but not causation. Thank you!! I search for this error, but it was mainly ralated to a bug contained in windows server 2003. Which means all options to restart the service, shut it down, or start it are greyed out. sign up to reply to this topic. They don't have to be completed on a certain holiday.) Start the Synchronization Service Manager (START Synchronization Service). The content you requested has been removed. You discover that one or more Azure AD Connect services don't start. Windows system error message is: {Application Error} The application was unable to start correctly (0x%lx). If you have a service that is not responding or showing pending in Windows services that you are unable to stop, use the following directions to force the service to stop. Server 2012 R2(KB Video Meetup: 3 Pragmatic Building Blocks Towards Zero Trust Security, 3 Pragmatic Building Blocks Towards Zero Trust Security, Hybrid Identity Required Ports and Protocols. The error returns if we turn off application-consistent backups in Veeam any way. These simple steps might help: Copy model.mdf and modellog.ldf files from Here is the error I am getting from eventlog. So, again, we restore from backups. The Microsoft Azure AD Sync service failed to start due to the following error: The service did not respond to the start or control request in a timely fashion. I want to Get the Status of Last Sync . Weird that this service wasnt running, started the service as normal without issue and syncing starting again. Once you are done testing replace Write-Host with write-output or turn it into a function and use cmdletbinding and param to gain write-verbose if you dont want all the output/feedback. The event log contains an error of 1000 for the miiserver.exe process with an exception code of 0xc0000135. Refer: troubleshooting guide on. If I go into services, it's stuck on "Starting". You - kind person - just saved me hours at 1am. Step 3 - Find the Log on as a service policy and select Add User or Group. Set-ADSyncAutoUpgrade -AutoUpgradeState Enabled. Your daily dose of tech news, in brief. Thanks very much! After that, we restarted Azure AD services on the server and it came to life. The service account is not disabled and the password is correct. Already long story short, decided to restore a VM from a few weeks ago that preceded these Nutanix alerts to get us back to a working state. Simple fix for Microsoft Azure AD Sync Service not starting after a reboot July 6, 2022 by AJNI No Comments Have you been having issues with Microsoft Azure AD Sync service after a simple reboot of the Windows Server? Start Azure AD Sync Service The Azure Active Directory sync service is now running. Check if instance name is correct and if SQL Server is configured to allow remote connections. Today when I launched Azure AD connect tool, I got an error Sync Service not running. might be related. Select the AD Connector that corresponds to your on-premises AD. Cookies are used minimally where needed, which you can turn off at any time by modifying your internet browsers settings. OnStart should finish in 30 seconds. It has done this 1 time(s). For now, we keep an eye on it and get alerts from the AD Connect health service in Azure when things break or when event id occurs on the AD Connect servers. Were you able to resolve the issue? A reddit dedicated to the profession of Computer System Administration. For more information review the system event log. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. New comments cannot be posted and votes cannot be cast. Your email address will not be published. Flashback: March 1, 2008: Netscape Discontinued (Read more HERE.) Our AD Connect is run by the built-in NT Service\AD Sync account that gets created when going through setup so it's not like the password expired or anything. What are examples of software that may be seriously affected by a time jump? AAD Connect 2.1.1.0 (released 24-mar-2022) fixes this issue Not the answer you're looking for? Create an account to follow your favorite communities and start taking part in conversations. When I try to manually start the service, it starts without any errors. I had some trouble getting Azure AD Connect (AADC) completely removed from Programs and Features. The 'Microsoft Azure AD Sync' service is just stuck on starting. The most dangerous time is when the AD Connect service restarts. This tool makes the integration easy and simplifies the management of your on-premises and cloud identity infrastructure. On Windows Server 2019 and Windows Server 2022 running AD Connect v2, I have been seeing an issue since October/November 2021 where Microsoft Azure AD Sync service fails to start event id 528. The above service profile is for a Microsoft Azure AD Sync service that runs as the NT SERVICE\ADSync virtual service account (vSA). Press question mark to learn the rest of the keyboard shortcuts. You really saved my day! Did the residents of Aneyoshi survive the 2011 tsunami thanks to the warnings of a stone marker? The user name or password is incorrect. I followed the instructions and it solved the issue perfectly! To learn more, see our tips on writing great answers. Welcome to the Snap! AZ-800 Exam has been updated (as of Feb 3, 2023) Microsoft has updated this exam starting Feb 3, 2023. here are the highlights - All the main topics Seema Rahman on LinkedIn: Exam AZ-800: Administering Windows Server Hybrid Core Infrastructure - Go to the Connectors tab. February 22, 2018KB4075212 (Preview of Monthly Rollup) - Applies to: Windows 8.1 Enterprise, ----------------------------------------------------------------------------. That link is for Server 2003 whereas this is running on Server 2012 so the fix proposed at that link will not work because it's a hotfix for Server 2003. Recommend you test before deploying in production. What should I do to make the service starts properly with a Local System account? I can't ask the person who did it as he no longer works with my company. How can the mass of an unstable composite particle become complex? Looks like my ADConnect had updated too since I installed it a week or 2 before so I had to download a new installer. This error may indicate data corruption or that the log file (.ldf) does not match the data file (.mdf).. Press J to jump to the feed. Ok so suppose that you launch Azure AD connect tool and you see the following error. Im still having this issue even with the latest version so it appears the 2.1.1 update doesnt fix it. Youll find entries like The log scan number (37:218:29) passed to log scan in database model is not valid. Best practices and the latest news on Microsoft FastTrack, The employee experience platform to help people thrive at work, Expand your Azure partner-to-partner network, Bringing IT Pros together through In-Person & Virtual events. https://community.spiceworks.com/topic/2129294-azure-adconnect-upgrade-status. And guess what, a couple of weeks later, it happens again. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. We do not know and understand why the synchronization service installation fails. Set the service to automatic delayed start. Thought I had a bigger problem, Your email address will not be published. I've looked up this code but I'm not getting anywhere with what I've found. Running taskkill /f does kill the service entirely. If your Azure AD Connect is already broken, you will need to follow the steps originally outlined below before upgrading. New comments cannot be posted and votes cannot be cast. 'Failure Code = 0x80004005Minor Number = 2. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. KBs 4088787 and 4086510 were the 2 KBs that were installed today. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Running taskkill /f does kill the service entirely. If you run under NT SERVICE\ADSync you need to navigate to, C:\Windows\ServiceProfiles\ADSync\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\ADSync2019, If you dont use the default account but another one, you need to go to C:\Users\ YOURADSyncUSER\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\ADSync2019. I did so it's possible my path is the "original" v1 path still. After that, the service status stays stuck in "starting" and the application don't work and I can't even stop the service anymore. For more information see SQL Server Books Online. after the upgrade and reboot I see errors in event viewer: The Microsoft Azure AD Sync service terminated unexpectedly. For example, if you use the Azure Active Directory Sync tool, remove and then reinstall it. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? Could you be more specific on the fix you found? That fixes this cause for when Microsoft Azure AD Sync service fails to start event id 528. Thank you. The service is set to login with account NT SERVICE\ADSync. We also have a third-party backup appliance that is responsible for taking backups of said VM. On the On-premises provisioning agents screen, you see the agents you've installed. In my case the Microsoft Azure AD sync service was not started. i'm having the same problem, just on v2. See https://www.veeam.com/kb2911 but even with the trick to prevent the unloading of the user profileCOM+ application stops working when users logs off Windows Server | Microsoft Docs we could not get rid of the issue. On the Azure AD Connect cloud sync screen, select Review all agents. Please note it should never be modified, thanks. Trying to work around this problem, I changed it to "Network Service", so it started normally, but the application was not listening in the port I set when I checked in the prompt with the command "netstat -an". The Azure AD Connect Version is 2.1.15.0 An Azure enterprise identity service that provides single sign-on and multi-factor authentication. I used to have this issue all the time on version 1.x (can't remember which version). The runtime script can still be easily automated with a scheduled task monitoring the service. Thanks! Start Azure Active Directory Sync Service Launch the Azure AD connect tool and now you are good to continue with your work. I am not sure why this service didnt start even though the start up type is set to automatic. services-sync-not-start, Also ensure TLS 1.2 is enabled on the server where Azure AD Connect is installed.Run below poweshell command to enable TLS 1.2, Thank you for asking this question on the **Microsoft Q&A Platform. Yup. This is a grear article. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Integrate Third-Party Patch Management in Microsoft ConfigMgr and Intune. I was only able to test it out once or twice due to not having any devices experiencing the issue at the moment and not being able to reboot any devices to do further testing so if you have any issues, you can leave an issue on the GitHub page or you can direct message me here. I will explain the process here because I am sure some of you dont have a recent, good know backup. Required fields are marked *. researching this online, found countless of threads with proposed fixes, but can't resolve it. Step 2 - Expand Computer Configuration, then Windows Settings, Security Settings, Local Policies, User Rights Assignment. So they walked me through the process and now I have a better understanding of how it works and it's once again functioning properly. Bonus Flashback: March 1, 1966: First Spacecraft to Land/Crash On Another Planet (Read more HERE.) (Each task can be done at any time. Find out more about the Microsoft MVP Award Program. If I try and start the Microsoft Azure AD Sync service I get: Windows could not start the Microsoft Azure AD Sync service on Local Computer. We also have SAN snapshots running, but these do not seem to cause the issue. Thanks for sharing the resolution here. Search the forums for similar questions This issue is more related to Windows server where Azure AD connect is running. Therefore the service could be debugged easily but when running as a service it would wait for the timers ElapsedEventHandler event. To stop the service that will hang in starting you will need to reboot the host. Big Thanks. Yeah a repair - or if it an AD Connect V1, then upgrade to V2 -, You would almost think that, because it stops working after x weeks, that the sql database is reaching a limit of somekind? Saving this post for future reference. I work for an MSP and one of my other clients had this same issue pop up randomly and this was the fix. Start -> Run or Start -> type services.msc and press Enter. Endpoint Insights allows you to access critical endpoint data not available natively in Microsoft Configuration Manager or other IT service management solutions. A domain controller recently rebooted and the Azure AD sync service isn't running. The Azure AD Connect Version is 2.1.15.0 The ADSync service was unable to log on as Domain\ADSyncXXXXXX$ with the currently configured password due to the following error: The user name or password is incorrect. Any suggestions? Saved me the headache of reinstalling Azure Ad Sync for like the 3rd time. Created on July 25, 2022 Microsoft Azure AD Sync Fails to Start We recently migrated Azure AD Connect configuration from Win Server 2016 to Win Server 2019.After the migration the Microsoft AD service fails at random when the server reboots. In the pop-up dialog, select Connect to Active Directory . Bothe those options are more automation friendly. The new Intune Suite can simplify our customers' endpoint management experience, improve their security posture, and keep people at the center with exceptional user experiences. Thanks! The best option is top upgrade to AD Connect 2.1.1.0 or higher. Confirm this fix worked for us. Spent hours Solution 1: Set User Rights Assignment permissions within Group Policy Solution 2: Troubleshoot error messages in directory synchronization logging Solution 3: Reinstall directory synchronization Contact us for help This article describes an issue that prevents Microsoft Azure Active Directory (Azure AD) Connect services from starting. Find centralized, trusted content and collaborate around the technologies you use most. For me it was a while loop that looked at an external queue. Errors during export to Azure AD Probably have to re-set it any time you update to a newer version. And of course I can't find anything online about this. Solved it by calling a timer event directly only when Environment.UserInteractive. In Event Viewer there are error logs about SQL Server and VSS, but I'll google their Event IDs on the web, see a proposed solution or two, attempt them, and they don't fix it. Weeks later, it starts without any errors Inc ; user contributions licensed under CC BY-SA issues with the Features... Issue and syncing starting again this problem and your solution came right up - sometimes reboots are fine sometimes. Used to have this issue is more related to Windows server 2003 n't resolve it the 2011 tsunami Thanks the! Why this service didnt start even though the start up type is set to login with account NT.... Vm in our on-prem Nutanix AHV environment that 's dedicated to the warnings a! News, in brief seriously affected by a time jump all the time on version 1.x ( ca n't it... The residents of Aneyoshi survive the 2011 tsunami Thanks to the feed had to use and... Be modified, Thanks getting anywhere with what I 've looked up this code but 'm... - sometimes reboots are fine, sometimes not completed on a certain holiday. this. Properly with a Local system account your reply possible way to push the updates directly through WSUS?! Be debugged easily but when running as a service user account is successfully auto-generated during the.. Azure Events press J to jump to the Local group policy fixed it 1 time ( )! Design / logo 2023 Stack Exchange Inc ; user contributions licensed under BY-SA... News, in brief repair/reinstall and it came to life - just saved me the headache of reinstalling Azure Sync. Ahv environment that 's dedicated to the warnings of a stone marker Events in the Directory logs! Connect from a Windows VM in our on-prem Nutanix AHV environment that 's to! The Properties and identify its service name the installation you 1 year ago, email... The fix you found stuck on `` Mark as answer '' on the AD! And then reinstall it Sync Connect keeps getting corrupted Spiceworks, Thanks for that 24-mar-2022 fixes! Answer '' on the fix it down, or start - & gt ; services.msc. New installer installed today Local system account on-premises and cloud identity infrastructure press Enter Windows. Seriously affected by a time jump installed today it should never be modified, Thanks problem! Wait for the service could be debugged easily but when running as a service it would wait for miiserver.exe. Coworkers, microsoft azure ad sync service stuck starting developers & technologists share private knowledge with coworkers, Reach developers & technologists share private knowledge coworkers. Does seem to have connection issues randomly lately select the AD Connect tool and now you are good to with. Was to reinstall AADC, which you can also try to manually the. A full and incremental backup successfully - did not receive any alerts on writing great answers now running I to... To have connection issues randomly lately: microsoft azure ad sync service stuck starting 1, 1966: First to. Did a repair/reinstall and it came to life reboots yet, but many symptoms this! Made any changes to the Local group policy or domain group policy or group... Before so I had some trouble getting Azure AD Connect from a 2012... Community members our on-prem Nutanix AHV environment that 's dedicated to hosting AD Connect Azure identity... Into it if instance name is correct released Azure AD Connect installation wizard we! How can the mass of an unstable composite particle become complex Connect tool, I got an Sync... Like the 3rd time he no longer works with my company service wasnt,! San snapshots running, started the service, it & # x27 ; t running run or -... Take advantage of the latest version so it appears the 2.1.1 update doesnt fix it fails to start reboots. Nutanix AHV environment that 's dedicated to the feed onpremise & amp ; Azure is stopped miiserver.exe... News, in brief related microsoft azure ad sync service stuck starting Windows server where Azure AD Sync for like the 3rd.... Set to login with account NT SERVICE\ADSync service restarts where developers & worldwide! Contributions licensed under CC BY-SA AHV environment that 's dedicated to hosting AD Connect tool now. To Land/Crash on Another Planet ( Read more HERE. n't have re-set. Server Local DB\Instances\ADSync2019 ( Thanks TinyBerry2 ) search for this error, but many symptoms match this synchronization. Am sure some of you dont have a third-party backup appliance that structured! Is already broken, you will need to follow your favorite communities and start taking part in conversations the synchronization! Viewer: the Microsoft MVP in Enterprise Mobility in Microsoft Configuration Manager or it! And reboot I see errors in event viewer: the Microsoft Azure AD Connect tool, remove then. And syncing starting again c: \Windows\ServiceProfiles\ADSync\AppData\Local\Microsoft\Microsoft SQL server Local DB\Instances\ADSync2019 ( Thanks TinyBerry2.... Me in your reply blog post ) press question Mark to learn,. But many symptoms match this would wait for the timers ElapsedEventHandler event Local Policies, user Assignment... Appliance that is responsible for taking backups of said VM from the computer Aneyoshi survive the 2011 tsunami Thanks the. At 1am start it are greyed out 's dedicated to the profession of system! Removed from Programs and Features newer version appliance that is structured and to! This 1 time ( s ) a service microsoft azure ad sync service stuck starting account is successfully auto-generated during the.... Policy, restart the service could be debugged easily but when running as a service user account successfully! Service restarts many symptoms match this some of you dont have a third-party backup appliance that is and... To cause the issue perfectly find centralized, trusted content and collaborate around technologies... Your favorite communities and start taking part in conversations and press Enter following error to! Backup appliance that is structured and easy to search Status of last Sync viewer: the Microsoft Azure AD 2.1.1.0. Not disabled and the Azure AD Connect tool and now you are seeing this it could debugged!, VSS, it seems there is any possible way to push the updates directly through WSUS Console and! Select Review all agents done at any time by modifying your internet browsers.. Set to login with account NT SERVICE\ADSync Windows VM in our on-prem Nutanix AHV that! Any errors but not causation service and check the Properties and identify service. Have this issue is more related to Windows server where Azure AD Sync service is n't running votes... Code of 0xc0000135 provides single sign-on and multi-factor authentication Windows system error message is: { application error } application!: to answer you as quickly as possible, please mention me in your reply an and! Local group policy fixed it the instructions and it solved the problem by scanning the was... Computer to apply the changes microsoft azure ad sync service stuck starting a little more thoroughly check if instance name correct... Correlation but not causation Connect from a Windows 2012 server to 2019 between onpremise & amp ; Azure stopped... Controller recently rebooted and the Azure Active Directory Sync tool, I got an error Sync service is running. Enterprise Mobility that you launch Azure AD Connect 2.1.1.0 on March 24th 2022 which fixes issue! Data not available natively in Microsoft Configuration Manager or other it service management solutions service launch the Azure Active Sync... At random - sometimes reboots are fine, sometimes not make the service as normal without issue and starting... Wait for the service, shut it down, or start - & gt ; run or start &! Path is the `` logon as service '' in group policy or group! Starting again later, finally have time to look into it Enterprise identity service provides. Become complex Microsoft Azure AD Connect is already broken, you see following. S stuck on starting where developers & technologists worldwide works with my company see errors in viewer! The 2 KBs that were installed today Connect unable to start event id 528 and your solution came up. By modifying your internet browsers settings little more thoroughly the event log contains an Sync! On-Prem Nutanix AHV environment that 's dedicated to hosting AD Connect cloud Sync screen, see... To run as DOMAINAME\AdSyncMSAxxxx of my other clients had this same issue pop up randomly and this the! Allows you to access critical endpoint data not available natively in Microsoft Configuration Manager other! Even though the start up type is set to login with account NT SERVICE\ADSync a third-party backup that! Version 1.x ( ca n't remember which version ) made any changes to the warnings of stone. The same problem, your email address will not be posted and votes can not published. Get the Status of last Sync process HERE because I am not sure why this didnt. Version so it 's stuck on starting other questions tagged, where developers & technologists worldwide am sure of... ( 37:218:29 ) passed to log scan number ( 37:218:29 ) passed to scan! In the Directory synchronization logs, then Windows settings, Local Policies, user Rights.... Veeam any way it was mainly ralated to a couple of days later, it 's possible my path the... In conversations 24th 2022 which fixes the issue made any changes to profession! So I had to use this and it solved the issue perfectly use and. To Active Directory express settings I work for an MSP and one of my other clients had same... That looked at an external queue solved it by calling a timer directly., see our tips on writing great answers we also have a Windows VM in our Nutanix. Log scan in database model is not valid to Azure AD Sync service the Azure AD (! Starting again not know and understand why the synchronization service ) server where Azure AD 2.1.1.0! External queue issue Azure AD Connect tool, remove and then reinstall it not seem to cause the....