In the Synchronization Service Manager, any import or export operation with on-premises AD fails with no-start-credentials error. ==(or)== Under Windows Event Viewer, the application event log contains an error with Event ID 6000 and message 'The management agent "abc.com" failed to run because the credentials were invalid'.

If you get any of the following error messages in AAD Connect try the following steps mentioned here.


Error Message:


In the Synchronization Service Manager, any import or export operation with on-premises AD fails with no-start-credentials error.

Under Windows Event Viewer, the application event log contains an error with Event ID 6000 and message 'The management agent "abc.com" failed to run because the credentials were invalid'.

Steps to be followed:

Start the Synchronization Service Manager (START → Synchronization Service).

go to the “Connectors” tab and right click on the connectors name

Under Actions, select Properties.

In the pop-up dialog, select Connect to Active Directory Forest:

Enter the new password

Click OK to save the new password and close

Restart the Azure AD Connect Synchronization Service under Windows Service Control Manager. This is to ensure that any reference to the old password is removed from the memory cache.

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Thanks for Reading :) 

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Senko