Event ID - 25

Event Id25
SourceMicrosoft-Windows-Kerberos-Key-Distribution-Center
DescriptionThe account %1 from domain %2 is attempting to use S4USelf for the target client %3, but is not allowed to perform group expansion on this client's user object. It may be necessary to adjust the ACL on the TokenGroupsGlobalAndUniversal attribute on the target client's user object to allow S4USelf to function correctly. This can also be accomplished by adding %1 to the Windows Authorization Access Group.
Event Information According to Microsoft :

Cause :

This event is logged when account from domain is attempting to use S4USelf for the target client, but is not allowed to perform group expansion on this client's user object.

Resolution :

Add the user account to the Windows Authorization Access Group

To resolve this issue, you must add the user account to the Windows Authorization Access Group. The user account can be found in the event log message.

To perform this procedure, you must be a member of the Domain Admins group, or you must have been delegated the appropriate authority.

To add the user account to the Windows Authorization Access Group by using Active Directory Users and Computers:
  1. Log on to a computer that has Active Directory Users and Computers installed. It is installed by default on a domain controller.
  2. Click Start , point to Administrative Tools , and then click Active Directory Users and Computers .
  3. In the console tree, click Builtin , right-click Windows Authorization Access Group , and then click Properties .
  4. Click Members , and then click Add .
  5. In the Enter the object names to select dialog box, type the name of the user you want to add to the group, and then click OK .
  6. Close Active Directory Users and Computers.
Verify :

A valid Kerberos key is required to get a Kerberos ticket from the Kerberos Key Distribution Center (KDC). To verify that the Kerberos keys are valid and functioning correctly, you should ensure that a Kerberos ticket was received from the KDC and cached on the local computer. You can view cached Kerberos tickets on the local computer by using the Klist command-line tool.

Note : Klist.exe is not included with Windows Vista, Windows Server 2003, Windows XP, or Windows 2000. You must download and install the Windows Server Resource Kit before you can use Klist.exe.

To view cached Kerberos tickets by using Klist:
  1. Log on to a Kerberos client computer within your domain.
  2. Click Start , point to All Programs , click Accessories , and then click Command Prompt .
  3. Type klist tickets , and then press ENTER.
  4. Verify that a cached Kerberos ticket is available.
    • Ensure that the Client field displays the client on which you are running Klist.
    • Ensure that the Server field displays the domain in which you are connecting.
  5. Close the command prompt.
Reference LinksEvent ID 25 from Microsoft-Windows-Kerberos-Key-Distribution-Center

Catch threats immediately

We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.

See what we caught

Did this information help you to resolve the problem?

Yes: My problem was resolved.
No: The information was not helpful / Partially helpful.
 Refresh