I was looking through the 5.3 config guide information. Should the following work in 5.2?:
Automatic Archiving the Log Report
You can schedule a background job to automatically archive the Session Log, Transaction
Log, and Change Log in Superuser Privilege Management from the SAP backend system.
To automatically archive log reports:
1. Log on to your SAP back-end system.
2. Start transaction /VIRSA/FFARCHIVE.