Full error is “Security log on the system is full. Only administrators can log no to fix.” When trying to log into the workstation.
It seemed to only affect Windows XP machines.
- Open the Event Viewer.
- Right-click Security, and then click Properties.
- In the Log Size area of the Security Properties window, click the Overwrite events as needed option under When maximum log size is reached.
- Click OK.
- Close Event Viewer.