Were sorry. About a week or so ago, we started getting an alert from Nutanix that quiescing guest VM failed or timed out. So, you rebuild clean AD Connect VMs, and it happens again. I had issues with v1 where (I think) it was starting before AD was starting. If solutions 1 and 2 don't resolve the issue, remove and then reinstall directory synchronization. Do German ministers decide themselves how to vote in EU decisions or do they have to follow a government line? I did a repair/reinstall and it has been fine since. It has done this 1 time(s). Type sc queryex [servicename] Identify the PID (process ID) In the same command prompt type taskkill /pid [pid number] /f. Or it's corrupt? I am having the same issue currently. https://docs.microsoft.com/en-us/azure/active-directory/hybrid/reference-connect-version-history#2110. My issue with v2 is the service wouldn't start due to SQL errors. Windows system error message is: {Application Error} The application was unable to start correctly (0x%lx). Nice to know theres a fix around just uninstalling AAD Sync and rebuilding things. The fun thing is they wrote a doc about how to fix it on March 25th, 2022. We're not quite sure what started the conflict, but it seemingly arose out of nowhere. 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. thank you a lot, we saved a lot of time with M$ support. They have me reboot the VM to see if it clears out an issue with VSS. 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" Why does Jesus turn to the Father to forgive in Luke 23:34? 2. 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. How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? Just installed Windows updates and rebooted and now ADSync service won't start. 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. 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). No backups are involved, it seems. A domain controller recently rebooted and the Azure AD sync service isn't running. Running taskkill /f does kill the service entirely. The source for both versions and the installer can be found here https://github.com/ADCTrevorRuppert/AD-Sync-Service-Repair/tree/master. 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. To continue this discussion, please ask a new question. And guess what, a couple of weeks later, it happens again. Desperate enough to post this topic while I continue to investigate. Step 3 - Find the Log on as a service policy and select Add User or Group. Shut down the original VM, powered on this new one, and AD Connect is working for now. Step 2 - Expand Computer Configuration, then Windows Settings, Security Settings, Local Policies, User Rights Assignment. So I cannot do anything. This topic has been locked by an administrator and is no longer open for commenting. What should I do to make the service starts properly with a Local System account? Any suggestions? Create an account to follow your favorite communities and start taking part in conversations. So I created a thread that runs my service and let the OnStart method finish. I was unable to do a repair but removal and reinstall did the trick. Asking for help, clarification, or responding to other answers. I did so it's possible my path is the "original" v1 path still. Just had the exact same issue. I searched online but couldnt find a solution, till I found this blog. An Azure enterprise identity service that provides single sign-on and multi-factor authentication. Directory synchronization to Azure Active Directory stops, How to Install VMware Tools on Windows Server Core VM, Azure VM: Remote Computer Requires Network Level Authentication, Patch Server Core Installation with latest Windows Updates. I call Nutanix to try and resolve this to see if it's related to them and not Windows. Check if instance name is correct and if SQL Server is configured to allow remote connections. Well, happy to hear it helped you out. Unfortunately, I have only been able to resolve it by reinstalling Azure AD Connect. The event log contains an error of 1000 for the miiserver.exe process with an exception code of 0xc0000135. Welcome to another SpiceQuest! 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. Spent hours researching this online, found countless of threads with proposed fixes, but can't resolve it. Likely an update to the QB Database, as I suspect DNS Server ports haven't changed in a long. Click OK to close the application.Reported at line: 3714. Probably have to re-set it any time you update to a newer version. You could think it was caused by failed updates or such, but no. Thanks its not a Fix it is a Super fix. Right click Azure AD sync service and click Start. Service will then start. Look for the service and check the Properties and identify its service name. Error 1053. When I try it errors out Bonus Flashback: March 1, 1966: First Spacecraft to Land/Crash On Another Planet (Read more HERE.) I haven't actually had the issue since upgrading from 1.x to 2.0.89.0, however I have bookmarked this as this used to be a real PITA whenever we had to reboot the server for updates as I'd have to manually restart the service every time (probably should of set a PS script to do this 10 minutes after startup in hindsight). Why did the Soviets not shoot down US spy satellites during the Cold War? The following corrective action will be taken in 0 milliseconds: Restart the service. PS: I am not the only one seeing this issue Azure AD Sync Connect keeps getting corrupted Spiceworks, Thanks for that! It manifests clearly by the Microsoft Azure AD Sync service failing to start after a reboot. The best option is top upgrade to AD Connect 2.1.1.0 or higher. The service account is not disabled and the password is correct. How can the mass of an unstable composite particle become complex? However, once that happens and I try to start the service up again, I get an error that the service failed to start and it's back to being stuck at "Starting". The best option is to upgrade to AD Connect 2.1.1.0 or higher. Check the Windows Application event log, it could contain some entries from your service's auto generated event source (which should have the same name of the service). Does Cast a Spell make you a spellcaster? Reddit and its partners use cookies and similar technologies to provide you with a better experience. You can read about it here Azure AD Connect: Version release history | Microsoft Docs The fun thing is the wrote a doc about how to fix it on March 25th 2022. So I am looking for an answer to one of these two questions: When I converted my console application to windows service I simply put my code directly in the OnStart method. Below you see a screenshot from the C:\Windows\ServiceProfiles\ADSync\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\ADSync2019\Error.log. The 'Microsoft Azure AD Sync' service is just stuck on starting. However, if you reboot enough, you can sometimes trigger the error. 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. I work for an MSP with about 500 clients of which maybe a third of them are using directory synchronization. This tool makes the integration easy and simplifies the management of your on-premises and cloud identity infrastructure. The backup notices the issues with LocalDB before the AD Sync Service fails to start due to the problems. The event log contains an error of 1000 for the miiserver.exe process with an exception code of 0xc0000135. Analyze your GPOs once and see if something is uninstalling the Azure ADSync from the computer. Carlos Sols Salazar. If User Rights Assignment settings are applied through any domain group policy object (GPO), use the Group Policy Management console (gpmc.msc) from a domain controller to take one of the following actions: Remove the following policy settings from the Winning GPO: Update the Winning GPO to include the ADSync service account. This site uses Akismet to reduce spam. Press question mark to learn the rest of the keyboard shortcuts. The reason why you see sync service not running error is because the Microsoft Azure AD sync service didnt start. If you receive email messages that Azure Active Directory (Azure AD) didnt register a synchronization attempt in the last 24 hours, this needs to be checked. Your article is pure gold! I'm at a loss. I just rebooted this server, then noticed that no syncs had been done for 2 hours. Visit Microsoft Q&A to post new questions. AD Sync is still running and working. 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. You - kind person - just saved me hours at 1am. Saved me a lot of time looking for, Thank you very much!! Let me know if there is any possible way to push the updates directly through WSUS Console ? Uninstalling Azure AD Connect completely. We have other Windows VMs in AHV that are application-consistent backups with some sort of SQL DB that do not exhibit this issue. All was working fine. Windows Server 2012 R2 Standard. The content you requested has been removed. More info about Internet Explorer and Microsoft Edge. Press J to jump to the feed. Thanks for sharing the resolution here. Original product version: Azure Active Directory, Office 365 Identity Management Even worse, the AD Connect staging server suffers the same fate. Ensure the user is there, or, as I say, preferably a service group. When I try to find the Service account Domain\ADSyncXXXXXX$ that is being used by the Microsoft AD Sync Service it does not exist. Were you able to resolve the issue? Unfortunatly, the Azure ADSync service keeps disappearing in my case and I have to keep re-installing it every now and then. User-defined windows service does not start - 1053 error, Error 5 : Access Denied when starting windows service, Host console application in windows service, Windows service status stays at starting for ever even when it has actually started, Windows Service Error 1053: The service did not respond to the start or control request in a timely fashion, Torsion-free virtually free-by-cyclic groups. Server is not found or not accessible. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Also ran the command to enabled Auto Update. Thanks for the quick response, Woody. NOTE: To answer you as quickly as possible, please mention me in your reply. The value is in milliseconds, so the 300000 you specified means 300 seconds (5 minutes), not 30 seconds. Everything was running fine. Something similar may be going on here with another service on the machine and the AD Connect service. AD Connect service would not start and your fix was perfect. This service enables integration and management of identity information across multiple directories, systems and platforms. Welcome to the Snap! Thought I had a bigger problem, Your email address will not be published. Saving this post for future reference. Connect and share knowledge within a single location that is structured and easy to search. (Each task can be done at any time. After rolling them back one by one and rebooting, still no luck. The Azure AD Connect Version is 2.1.15.0. Please note it should never be modified, thanks. After that, the service status stays stuck in "starting" and the application don't work and I can't even stop the service anymore. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Integrate Third-Party Patch Management in Microsoft ConfigMgr and Intune. You can also submit product feedback to Azure community support. Found the issue - it was DNS. 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