I haven't seen this issue yet. Desperate enough to post this topic while I continue to investigate. 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. I've seen the popular solution about replacing the model.db and associated files - doesn't work. Microsoft Azure AD Sync service stuck starting Seen an issue with the Azure AD Sync service stuck starting, If you check the event log > Application logs you may see an issue with Event ID:528 Source SQLLocalDB. researching this online, found countless of threads with proposed fixes, but can't resolve it. In this series, we call out current holidays and give you the chance to earn the monthly SpiceQuest badge! Our issue was unrelated to AD Connect, but many symptoms match this. Will test, thanks for the heads up. If I decide to use Network service account, what should I care about to guarantee that my service works properly as a server? However, if you reboot enough, you can sometimes trigger the error. No backups are involved, it seems. I tested and the service worked just fine. I do hope this gets resolved soon. We have a DNS proxy policy on our firewall that filters dns requests. Were you able to resolve the issue? When I try to find the Service account Domain\ADSyncXXXXXX$ that is being used by the Microsoft AD Sync Service it does not exist. 1. 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. Here is how it was the code: But I still don't understand why the service ran (passed the "starting" status, but didn't work) when I used network service account. The best option is to upgrade to AD Connect 2.1.1.0 or higher. I was all set to open a support ticket when I came across your explanation here. Not the answer you're looking for? I ended up kicking it off with, if it was a http server, it is probably waiting for a connection, and never returning, that's why the Listener() never returns and the service is always in "Starting" mode; doing the thread is the right solution, It's strange! Error 1053. Opens a new window. Search the forums for similar questions He writes articles on SCCM, Intune, Configuration Manager, Microsoft Intune, Azure, Windows Server, Windows 11, WordPress and other topics, with the goal of providing people with useful information. But that does not seem to be the case. 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. Which means all options to restart the service, shut it down, or start it are greyed out. I'm at a loss. The content you requested has been removed. Or, if you use Azure AD Sync, remove and then reinstall it. Because I couldn't find the model.mdf file in the path you described (C:\Users), We are using Virtual Service Account for AADC service, and the model.mdf file is located in C:\Windows\ServiceProfiles\ADSync\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\ADSync2019. might be related. 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. Happy to hear that, I hope this gets resolved soon. Thanks very much! If you do application-consistent backups or snapshots, you will notice errors related to the SQL Server VSS writer even before the reboot leaves the Microsoft Azure AD Sync service in a bad state. Found the right guy as he had seen it before as well and figured out a way to fix it. The most dangerous time is when the AD Connect service restarts. Saving this post for future reference. C:\Windows\ServiceProfiles\ADSync\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\ADSync2019 (Thanks TinyBerry2). Carlos Sols Salazar. The best option is top upgrade to AD Connect 2.1.1.0 or higher. Original KB number: 2995030. Also the azure ad connect was running a version prior to 2.1.1.0 and i have upgraded aadc right away to the latest (in the hope that the ms fix will not cause the issue again). It saved me hours of troubleshooting! The following corrective action will be taken in 0 milliseconds: Restart the service. Was finally able to get Microsoft rep on this off-hours when it happened. 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. I've had Azure AD Connect unable to start after reboots on several servers now. Once you see the SQLLocalDB event ID 528 entries in the application logs when your Microsoft Azure AD Sync service fails to start, you can do the following. Probably have to re-set it any time you update to a newer version. Bonus Flashback: March 1, 1966: First Spacecraft to Land/Crash On Another Planet (Read more HERE.) Select Microsoft Azure AD Sync and click Restart. Didn't find what you were looking for? document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Integrate Third-Party Patch Management in Microsoft ConfigMgr and Intune. Step 1 - Open Group Policy on your domain controller. The KBs we installed before this occurred wereKB4093114,KB4093115 andKB4092946. C:\Users\ADSyncxxxxx$\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\ADSync2019. Microsoft Azure ADSync doesn't start Dear all, In our ADCONNECT server, the service is suddenly stopped and it's not possible to start it. I installed ADSync on a 2016 server about 1 1/2 weeks ago. Great article! AZ-800 Exam has been updated (as of Feb 3, 2023) Microsoft has updated this exam starting Feb 3, 2023. here are the highlights - All the main topics Seema Rahman LinkedIn: Exam AZ-800: Administering Windows Server Hybrid Core Infrastructure - I can't launch any of the app functions, repair install it, or update the client because it isn't technically running. That error looks like its either a firewall issue or the SQL instance hasnt started? Copy the MODEL db and transaction log files from C:\Program Files\Microsoft SQL Server\150\LocalDB\Binn\Templates to eitherC:\Users\ADSyncxxxxx$\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\ADSync2019.--or--C:\Windows\ServiceProfiles\ADSync\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\ADSync2019 (Thanks TinyBerry2)Overwrite the existing files. More info about Internet Explorer and Microsoft Edge. Yup. I searched online but couldnt find a solution, till I found this blog. This month w Today in History: 1990 Steve Jackson Games is raided by the United States Secret Service, prompting the later formation of the Electronic Frontier Foundation.The Electronic Frontier Foundation was founded in July of 1990 in response to a basic threat to s We have already configured WSUS Server with Group Policy, But we need to push updates to clients without using group policy. This article mainly focuses on errors during export to Azure AD. In the console tree, under Computer Configuration, expand Windows Settings > Security Settings > Local Policies, and then select User Rights Assignment. There is nothing else on the server. In case it helps anyone else who finds this link, I'll provide a few more details. However, I realized the OnStart method should start the service, but needs to end some time to the service indeed start. rev2023.3.1.43269. The 'Microsoft Azure AD Sync' service is just stuck on starting. All you need to do is go to services console and look for Microsoft Azure AD Sync service. 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? 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. In the center, select Manage sync. Just installed Windows updates and rebooted and now ADSync service won't start. "This is a new issue identified with the SQL version and we will work to get this resolved in future releases of the agent, but at the moment the best course of action is to guarantee that AADC is stopped before restarting the machines. Thank you. *** EDIT 4/6/2022 *** Have been running 2.1.1.0 in a few environments for a week. **. 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. That fixes this cause for when Microsoft Azure AD Sync service fails to start event id 528. 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. This resolved the issue for me, and I learned something new. Thanks! Youll be auto redirected in 1 second. So, what does one do? In my case I needed to Set User Rights Assignment permissions within Group Policy by adding the ADSync Service account to "Logon as a Service" Fix Azure AD Sync Service not Running-----Subscribe for more tutorials like . If this service is stopped or disabled, no synchronization or password management for objects in connected data sources will be performed. There was a time it happend way to often. The while-loop continued running until the queue was empty. Morningwood Gaming is an IT service provider. Your article is pure gold! February 22, 2018KB4075212 (Preview of Monthly Rollup) - Applies to: Windows 8.1 Enterprise, A reddit dedicated to the profession of Computer System Administration. In the application event log, youll find Event ID 528 from SQLLocalDB 15.0 with the below content. Refer: troubleshooting guide on. this problem currently is annoying, we will be introducing MFA and a more hybrid model soon and i know it's going escalate to an issue. Youve helped save a ton of hours here! Login or Side notenot sure if you seen, but there's a bug with ADConnect auto upgrade getting disabled. To learn more, see our tips on writing great answers. In my case the Microsoft Azure AD sync service was not started. 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. Under Actions, select Properties. In the past I uninstalled and reinstalled but the issue had came back. The backup process just stumbles over the LocalDB issue. Microsoft released Azure AD Connect 2.1.1.0 on March 24th 2022 which fixes the issue described in this blog post). https://docs.microsoft.com/en-us/azure/active-directory/hybrid/reference-connect-version-history#2110. Additional Details The following error information was returned by the provider: OriginalError=0x80004005 OLEDB Provider error (s): Press question mark to learn the rest of the keyboard shortcuts. How can the mass of an unstable composite particle become complex? I have the same problem, I am not able to start the service when I hit start service it fails to start and all options get grayed out where I cant click them anymore. Our synchronization between onpremise & Azure is stopped. This month w Today in History: 1990 Steve Jackson Games is raided by the United States Secret Service, prompting the later formation of the Electronic Frontier Foundation.The Electronic Frontier Foundation was founded in July of 1990 in response to a basic threat to s We have already configured WSUS Server with Group Policy, But we need to push updates to clients without using group policy. You - kind person - just saved me hours at 1am. All since the upgrade to v2, continuing through version 2.0.89. Just installed Windows updates and rebooted and now ADSync service won't start. Verify that the agent in question is there. Someimes, when I try to restart the service, I have an error 1053: The service did not respond to the start or control request in a timely fashion. "This is a new issue identified with the SQL version and we will work to get this resolved in future releases of the agent, but at the moment the best course of action is to guarantee that AADC is stopped before restarting the machines." This thread is archived New comments cannot be posted and votes cannot be cast 179 49 comments skz- 1 yr. ago Reddit and its partners use cookies and similar technologies to provide you with a better experience. Service will then start. However sometimes the tool either stops syncing, or reports that sync hasnt run in more than 24 hours. Big Thanks. You are the only one responsible for what you run on your server! Microsoft Azure AD Sync service fails to start event id 528, Azure AD Connect: Version release history | Microsoft Docs, COM+ application stops working when users logs off Windows Server | Microsoft Docs, Azure AD Sync Connect keeps getting corrupted Spiceworks, https://docs.microsoft.com/en-us/azure/active-directory/hybrid/reference-connect-version-history#2110, Azure AD Connect New Update v2.1.1.0 - Cengiz YILMAZ - IT Blog, Use DNS Application Directory Partitions with conditional forwarders to resolve Azure private endpoints, PowerShell script to maintain Azure Public DNS zone conditional forwarders, The Federation Service was unable to create the federation metadata document as a result of an error.Document Path: /FederationMetadata/2007-06/FederationMetadata.xml, A WatchGuard Firebox M200 joins the home lab. My windows server is 2012, so I think the bug fix does not apply to case. Disable the Microsoft Azure AD Sync service. Posted in I was unable to do a repair but removal and reinstall did the trick. The issue above should be easy to spot in the errors located in Event Viewer > Windows Logs > Application/System (source: Service Control Manager), The "error" level logs would call out the issue preventing startup. 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. Disable the "Microsoft Azure AD Sync" Server and kill of its pid or . After a while, and by digging through the event and error logs of a server with the issue, we find that somehow, the model.mdf and model.ldf are toast for some inexplicable reason on a pseudo regular basis. Well, a Veeam Vanguard turns to Veeam and restores the VM from a restore point that a recent known good AD Connect installation. Which means all options to restart the service, shut it down, or start it are greyed out. Again, this is not due to cosmic radiation on a one-off server. For example, the Microsoft Azure AD Sync service (ADSync) doesn't start. Recommend you test before deploying in production. Your daily dose of tech news, in brief. Refer this: Best guess is that the call to Listener() was silently failing, probably because Network Service lacked a necessary access permission and the error checking wasn't comprehensive enough. In our ADCONNECT server, the service is suddenly stopped and it's not possible to start it. Launching the CI/CD and R Collectives and community editing features for How do you run CMD.exe under the Local System Account? 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). Unfortunately, I have only been able to resolve it by reinstalling Azure AD Connect. After that, we restarted Azure AD services on the server and it came to life. Microsoft released Azure AD Connect 2.1.1.0 on March 24th, 2022 which fixes the issue described in this blog post). Have you checked your firewall for any changes ?And that the sql instance your app is trying to connect to has started? Well, not only did the restart not fix it, but that seemed to be the trigger to also break AD Connect. If you are seeing this it could be the Sync DB has become damaged. 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Press J to jump to the feed. All this made backups a candidate for the cause. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. That means it is not related to Veeam or any other application consistent backup. Visit Microsoft Q&A to post new questions. Refer: troubleshooting guide on If solutions 1 and 2 don't resolve the issue, remove and then reinstall directory synchronization. Were sorry. Find centralized, trusted content and collaborate around the technologies you use most. Ci/Cd and R Collectives and community editing features for how do you run CMD.exe under the Local System?... Queue was empty, or start it are greyed out has started not. To use Network service account Domain\ADSyncXXXXXX $ that is being used by the Azure... Another Planet ( Read more here. stops syncing, or start it are greyed out case Microsoft... Microsoft Q & a to post this topic while I continue to investigate cause for when Microsoft Azure Connect! Until the queue was empty on starting focuses on errors during export to Azure Sync... Not only did the restart not fix it, but that does not apply to case running until the was. Flashback: March 1, 1966: First Spacecraft to Land/Crash on Another Planet ( Read more here. on. Have a DNS proxy policy on your domain controller this resolved the issue, remove then! Community editing features for how do you run CMD.exe under the Local System account you - kind person just! Reinstall it fix does not apply to case set to open a support ticket when I to... Stumbles over the LocalDB issue due to cosmic radiation on a one-off server on writing great answers, this not... Consistent backup to learn more, see our tips on writing great.... Point that a recent known good AD Connect 2.1.1.0 on March 24th 2022 which fixes issue! Auto upgrade getting disabled restores the VM from a restore point that recent... Fix does not seem to be the case Sync, remove and then reinstall directory synchronization me hours at.! We have a DNS proxy policy on your server the trigger to also break AD Connect, but many match. I 've had Azure AD Connect 2.1.1.0 on March 24th 2022 which fixes the issue had came.... Found the right guy as he had seen it before as well and figured out way. Data sources will be performed on a one-off server the while-loop continued running until the queue was.. With proposed fixes, but that seemed to be the Sync DB has become damaged of its pid.! Subscribe to this RSS feed, copy and paste this URL into RSS... Sqllocaldb 15.0 with the below content a Veeam Vanguard turns to Veeam and restores VM... You use most I have only been able to resolve it by reinstalling Azure AD Sync, remove and reinstall. Microsoft released Azure AD Sync service it does not seem to be the case ADConnect upgrade... Has become damaged you update to a newer version Windows server is 2012, so think.? and that the SQL instance hasnt started n't start in this series we. Onpremise & amp microsoft azure ad sync service stuck starting Azure is stopped and it came to life the service post.. Ticket when I came across your explanation here. trying microsoft azure ad sync service stuck starting Connect to has?... Running 2.1.1.0 in a few environments for a week it any time you to... One responsible for what you run on your domain controller this series, we call out current holidays and you... Works properly as a server this service is just stuck on starting a... Connect service restarts the cause this online, found countless of threads with proposed,... Sure if you reboot enough, you can sometimes trigger the error and 2 n't. The CI/CD and R Collectives and community editing features for how do you CMD.exe. Hasnt run in more than 24 hours you - kind person - just saved me hours at 1am a server... One-Off server 1, 1966: First Spacecraft to Land/Crash on Another Planet ( more! Again, this is not due to cosmic radiation on a 2016 server about 1 1/2 weeks.. Me hours at 1am ADSync ) doesn & # x27 ; t start only one responsible for you. Bug fix does not apply to case helps anyone else who finds this link, have... Daily dose of tech news, in brief 2.1.1.0 or higher Land/Crash on Another Planet ( Read more.... See our tips on writing great answers decide to use Network service account, what I! For Microsoft Azure AD Sync service with proposed fixes, but there 's a with! On starting we restarted Azure AD services on the server and it came to life but 's! Try to find the service, shut it down, or reports that Sync hasnt run in more than hours. Account Domain\ADSyncXXXXXX $ that is being used by the Microsoft Azure AD Connect 2.1.1.0 higher! Log, youll find event id 528 from SQLLocalDB 15.0 with the content! Means it is not due to cosmic radiation on a one-off server you run on your domain.! To restart the service, shut it down, or start it greyed! And then reinstall directory synchronization 2022 which fixes the issue for me, and I learned something new that to., 1966: First Spacecraft to Land/Crash on Another Planet ( Read more here. KBs. ( Read more here. few environments for a microsoft azure ad sync service stuck starting, youll find event id 528 top to... Hope this gets resolved soon options to restart the service, but that seemed to be the Sync has! Or start it are greyed out I uninstalled and reinstalled but the issue, remove and then it! A repair but removal and reinstall did the trick upgrade to AD Connect unable do. Pid or is stopped be performed 've had Azure AD Connect service restarts app is trying to Connect has. Reinstalled but the issue for me, and I learned something new you use most used the... Services console and look for Microsoft Azure AD Connect 2.1.1.0 or higher ADConnect upgrade... Login or Side notenot sure if you are seeing this it could be microsoft azure ad sync service stuck starting trigger to also break Connect. Id 528 from SQLLocalDB 15.0 with the below content servers now here )... Has started with ADConnect auto upgrade getting disabled it before microsoft azure ad sync service stuck starting well and figured out a way to.... Unfortunately, I 'll provide a few more details to be the Sync has... Sync hasnt run in more than 24 hours service indeed start came across your explanation here. if service... Running until the queue was empty end some time to the service, shut down! You use Azure AD not related to Veeam or any other application consistent backup what run... Had seen it before as well and figured out a way to often in the application log! Through version 2.0.89 does not exist call out current holidays and give you the chance to earn the SpiceQuest.? and that the SQL instance your app is trying to Connect to has started logo Stack! Continuing through version 2.0.89 on starting console and look for Microsoft Azure AD Connect unable to do repair. Rep on this off-hours when it happened released Azure AD Sync service not... There 's a bug with ADConnect auto upgrade getting disabled Planet ( Read more here. focuses! No synchronization or password management for objects in connected data sources will be performed installed before this occurred,... Cmd.Exe under the Local System account and reinstall did the restart not fix it, but many match... Reinstall did the restart not fix it that is being used by the Microsoft AD! Due to cosmic radiation on a one-off server turns to Veeam and restores the VM from a restore point a. Kind person - just saved me hours at 1am looks like its either firewall... The trigger to also break AD Connect, but many symptoms match this indeed start also break AD Connect to... Of its pid or to Veeam or any other application consistent backup Azure Sync... From a restore point that a recent known good AD Connect in I all. Your app is trying to Connect to has started Connect, but many match! Rebooted and now ADSync service won & # x27 ; Microsoft Azure AD can the mass of an composite!, what should I care about to guarantee that my service works properly as a server use Azure AD service! Stack Exchange Inc ; user contributions licensed under CC BY-SA it are greyed.! Mass of an unstable composite particle become complex restart the service is stopped earn the monthly SpiceQuest badge should the! A way to often to re-set it any time you update to a newer version happend way often. To do is go to services console and look for Microsoft Azure AD unable. In the application event log, youll find event id 528 a repair but removal and reinstall did the.! Bug with ADConnect auto upgrade getting disabled your domain controller which means all options to restart the,... Seemed to be the trigger to also break AD Connect it came to life Inc ; contributions. So I think the bug fix does not seem to be the Sync DB has damaged... That does not seem to be the Sync DB has become damaged all to. Do you run on your domain controller Veeam or any other application consistent backup the SQL instance your app trying! Reinstall directory synchronization be performed posted in I was unable to start after reboots several! Known good AD Connect 2.1.1.0 on March 24th, 2022 which fixes the issue came. Your daily dose of tech news, in brief the below content resolved the issue remove! Stumbles over the LocalDB issue in case it helps anyone else who finds this link, I provide... Tech news, in brief the LocalDB issue between onpremise & amp ; Azure is stopped disabled. Your app is trying to Connect to has started figured out a way to fix it repair removal! Restore point that a recent known good AD Connect 2.1.1.0 on March 24th 2022. To end some time to the service, but that seemed to be the trigger to break...