Knowledge Base

Event 3096 Promoting BDC to PDC with Different Service Packs

Article ID: 151987

Article Last Modified on 11/1/2006

APPLIES TO

This article was previously published under Q151987

SYMPTOMS

You are using Server Manager on a primary domain controller (PDC) to promote a backup domain controller (BDC) to be the PDC. Both computers are running Windows NT 3.51, but they have different Service Packs applied (Service Pack 4 on the new BDC and Service Pack 2 on the new PDC).The following event error appears in the new BDC's event log:
ID 3096
The Windows NT domain controller could not be located

CAUSE

The netlogon service is started on the new BDC before it is started on the new PDC.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 3.51. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

Additional query words: 3.50 3.51 prodnt

Keywords: KB151987


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