Event ID 18 — Privilege Attribute Certificate Configuration
Updated: December 16, 2008
Applies To: Windows Server 2008 R2
The Kerberos Privilege Attribute Certificate (PAC) contains all of the group memberships for the security principal requesting access to a resource. This certificate is transferred to the client by using the Key Distribution Center (KDC).
Event Details
| Product: | Windows Operating System |
| ID: | 18 |
| Source: | Microsoft-Windows-Kerberos-Key-Distribution-Center |
| Version: | 6.1 |
| Symbolic Name: | KDCEVENT_PAC_VERIFICATION_FAILURE |
| Message: | During TGS processing, the KDC was unable to verify the signature on the PAC from %1. This indicates the PAC was modified. |
Resolve
This is a normal condition. No further action is required.
