Why do I receive the error that multiple connections are not allowed when trying to perform Active Directory synchronization?


When trying to synchronize with Active Directory you receive the following error message:


Windows does not allow simultaneous connections of different users on the same computer to the domain controller.

It is possible that your current computer is already connected to the server controller as UserA (for example, Windows Explorer might use a shared network folder on the server). If you now try to connect to the server as UserB you will receive this error message. Use the UserA account to avoid the problem.

Another possible case:

If you try to connect to the server of ComputerA as UserA but UserA is already connected to the server of ComputerB. You may first need to disconnect from UserB on ComputerB or, alternatively, use a different account.

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