Event ID - 1091

Event Id1091
SourceMicrosoft-Windows-GroupPolicy
DescriptionWindows could not record the Resultant Set of Policy (RSoP) information for the Group Policy extension %8. Group Policy settings successfully applied to the computer or user; however, management tools may not report accurately.
Event InformationAccording to Microsoft :

Cause :

This event is logged when Windows could not record the Resultant Set of Policy (RSoP) information for the Group Policy extension.

Resolution :

Correct a Group Policy extension reporting failure

The following Group Policy client-side extensions provide instructions to further diagnose the problem:

Scripts : Use Scripts client-side extension troubleshooting procedures to further diagnose the problem.

Software Installation : Use Software Installation client-side extension troubleshooting procedures to further diagnose.

The following Group Policy client-side extensions do not provide additional troubleshooting information at this time:
  • Wireless
  • Folder Redirection
  • Disk Quotas
  • QoS Packet Scheduler
  • Internet Explorer Zone Mapping
  • Windows Search
  • Security
  • Deployed Printer Connections
  • Internet Explorer Branding
  • EFS Recovery
  • 802.3
  • Offline Files
  • IP Security
  • Enterprise QoS
Verify :

Group Policy applies during computer startup and user logon. Afterward, Group Policy applies every 90 to 120 minutes. Events appearing in the event log may not reflect the most current state of Group Policy. Therefore, you should always refresh Group Policy to determine if Group Policy is working correctly.

To refresh Group Policy on a specific computer:
  1. Open the Start menu. Click All Programs and then click Accessories .
  2. Click Command Prompt .
  3. In the command prompt window, type gpupdate and then press ENTER.
  4. When the gpupdate command completes, open the Event Viewer.
Group Policy is working correctly if the last Group Policy event to appear in the System event log has one of the following event IDs:
  • 1500
  • 1501
  • 1502
  • 1503
Reference LinksEvent ID 1091 from Microsoft-Windows-GroupPolicy

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