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Event ID 1052: The processing of Group Policy failed

Windows Event ID Lookup: What Windows event IDs mean: 4625, 4624, 4740, 6008, 41, 7045, 1102 and 3,000 more, with Windows' own message text, the fields and what to check.

Look up a Windows event ID from Event Viewer, a SIEM alert or a log export: what it means, the fields it records, and what to check. Many IDs are used by more than one source (event 41 is both a Kernel-Power crash and a boot error), so every definition is shown, the one people usually mean first. The message text is Windows' own, read from the event providers of Windows 10.0.26200.0, 2026-10-28; the notes are ours, based on Microsoft's security auditing reference.

Try: 4625, 4624, 4740, 6008, 41, 1074, 7045, 1102, 4104, 1149

The processing of Group Policy failed.

Event 1052
GroupPolicy
System log
Error
Message and fields (as Event Viewer shows them) 
The processing of Group Policy failed. Windows could not determine the role of this computer. Role information (Workgroup, Member Server, or Domain Controller) is required to process Group Policy.

The RD Session Host Server is configured to use a certificate that will expire in … days.

Event 1052
TerminalServices-RemoteConnectionManager
TerminalServices-RemoteConnectionManager/Operational log
Information
Message and fields (as Event Viewer shows them) 
The RD Session Host Server is configured to use a certificate that will expire in … days. … The SHA1 hash of the certificate is in the event data. Please check the security settings by using the Remote Desktop Session Host Configuration tool in the Administrative Tools folder.

Failed to restore a server certificate mapping from persistent storage.

Event 1052
SMBServer
SMBServer/Operational log
Error
Message and fields (as Event Viewer shows them) 
Failed to restore a server certificate mapping from persistent storage.

Subject: …
Thumbprint: …

Error code: ….