An unexpected error occurred while maintaining log files for the portal site.
To resolve this issue execute the following steps:
Ensure that the SPS_WPG group has Full Control on the \Program Files\SharePoint Portal Server\Logs directory. To do this:
1. Navigate to \Program Files\SharePoint Portal Server.
2. Right-click the Logs folder and then click Properties.
3. On the Security tab, in the Group or user names section, ensure that SPS_WPG is listed.
4. In the Permissions for Administrators section, ensure that the Allow check box is selected for Full Control.
Look in the Application event log for related events. The Application event log can be viewed through the Event Viewer snap-in which can be found in the Computer Management console. The following task will start the Computer Management console:
Start Computer Management Console