Event ID - 1601

Event Id1601
SourceMSI
Description"Logon failure: the target account name is incorrect" error when promoting domain controllers or creating replicas
Event InformationResolution :

To resolve this problem, shut down the Windows Installer service and then re-register it. This makes sure that the Windows Installer engine functions properly. To do this, follow these steps:

1. Click Start, and then click Run.
2. In the Open box, type msiexec /unreg, and then click OK.
3. When this process is complete, click Start, and then click Run.
4.In the Open box, type msiexec /regserver, and then click OK.
5. When this process is complete, reinstall the update.
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