You can automatically purge Oracle archive log. Purging the archive redo logs frees disk space.
IMPORTANT: This article contains information about modifying the registry.
Before you modify the registry, make sure to create back up of the registry and ensure that you understand how to restore the registry if a problem may occur.
For more information about how to back up, restore, and edit the registry, please review the relevant Microsoft Knowledge Base articles on support.microsoft.com.
On Oracle server, you can enable automatic purging of archive logs once they have been backed up by adjusting the following registry value:
HKEY_LOCAL_MACHINE\SOFTWARE\ComputerAssociates\CA ARCServe Backup\OraPAAdp
Note: The LogPurge entry lets you enable or disable the function that purges the archive redo logs after they have been backed up a second time. Purging the archive redo logs frees disk space. The default value is 0 (off). You can modify this entry.