Article ID: 182441 - View products that this article applies to.
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Full synchronization from a Windows NT primary domain controller (PDC) to LanMan server may fail when there are too many machine accounts in the domain. The LanMan server will log the following error message:
Failed to synchronize with PDC, Event ID LMU-6086
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/152734/EN-US/ )How to Obtain the Latest Windows NT 4.0 Service Pack
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.
Delta syncs from Windows NT to LanMan will sometimes fail because of the differences between Windows NT and LanMan security. When such a failure occurs, LanMan will perform a full synchronization and with the above hotfix applied, full synchronization will be successful even if there are a large number of machine accounts in the domain.