Start Microsoft Azure Active Directory Sync Services 1. I had same issue and could not sync AD with O365. Submit. Hi There, First try logging into the O365 Admin Center and clicking the Sync Status and using the fix-it tool in there.. If the service isn't started, right-click it, and then click Start. Get Access. Azure AD Sync Service failed to start due to a logon failure. I have tried to uninstall the software, but the installation package "AzureADConnect.msi" that allows me to … August 14, 2018 by YongKW. It takes care of all the operations that are related to synchronize identity data between your on-premises environment and Azure AD. event viewer .. Windows Azure Active Directory has sent a redirection. ; Create a file share for a step-by-step description of how to create a file share. The Azure Active Directory Connect synchronization services (Azure AD Connect sync) is a main component of Azure AD Connect. Event ID: 7000. Integrating your on-premises Active Directory Domain Services (AD) (and syncing) with Azure AD is done using the Synchronization Service Manager GUI or via PowerShell.. Click Start, click Run, type Services.msc, and then click OK. 2. Ask. We receive a call from our client saying that the new user created in AD is NOT synced to Office 365 this morning, and we noticed that the Microsoft Azure AD Sync failed to start due to logon failure. C:\Program Files\Microsoft Azure Active Directory Connect C:\Program Files\Microsoft Azure AD Sync Regsitry Key HKLM\Software\Microsoft\Windows\CurrentVersion\Uninstall\ Checked which keys are related to SQL and Azure AD and delete them. Submit. There are two ways to use Azure AD on-prem – pass through authentication (sends the authentication request directly to Azure AD) or directory synchronization that syncs password hashes between on-prem AD and Azure AD. Log In. Find answers to MS Azure AD Sync service not starting from the expert community at Experts Exchange. @mmw_it Sounds like your issue might be due to connectivity to a DC in your network.. System.DirectoryServices.AccountManagement.PrincipalServerDownException: The server was unable to connect. An Azure file share in the same region that you want to deploy Azure File Sync. If the service isn't started, right-click it, and then click Start. ; At least one supported instance of Windows Server or Windows Server cluster to sync with Azure File Sync. Log In. Although it would have been possible for me to start with a fresh install of windows, it wasn't feasible without a lot of work as I'd have to migrate the other apps that run on this server. The Azure AD Connect program crashes when it tries to synchronize, and the Microsoft Azure AD Sync service is stuck in the "Starting" state. 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. ---> System.DirectoryServices.Protocols.LdapException: The LDAP server is not available. If you're using the Azure Active Directory Sync Tool, look for Azure Active Directory Sync Service. If that does not work, however, then I'd honestly suggest uninstalling the App and reinstalling it. For more information, see: Region availability for Azure File Sync. Get Access. Locate the Microsoft Azure AD Sync service, and then check whether the service is started. A timeout was reached (90000 milliseconds) while waiting for the Microsoft Azure AD Sync service to connect. Source: Service Control Manager. Ask. Get Access. Locate the Azure Active Directory Synchronization appliance service, and then check whether the service is started.