1. Login in the server via the “administrator” account.
2. Run the “regedit”, open the editor of the register.
3. Create the “DWORD” value “AutoBackupLogFiles” and set it as “1” in the following path:
4. Run the “” to open the event viewer, right-click the security event log and select the “Do not overwrite events (clear log manually)” option, as the following picture displayed:
5. At the security properties page, chose the “Clear all events” and select “Yes” in the ejecting dialog box “Do you want to save the “security” before clearing it?” to save the current security log, as the following picture displayed:
Thus, the security log of the server has realized automatic backup, the abnormal phenomena of registering has been eliminated.