Siemens SIMATIC PCS 7 Service Manual page 82

Migration of archive data from a central archive server (CAS)
12.2 How to migrate the archives in the Process Historian
Recommendation: Start by importing those archive segments of the OS servers that were not
swapped out to the CAS.
Procedure
1. On the CAS, configure sharing for access to CAS archives for the Process Historian.
2. Configure a network drive for access to CAS archives on the Process Historian.
3. Start the migration tool. Follow the instructions.
You can find detailed information on this in the documentation
Process Historian Administration .
4. Select the CAS database of the server.
5. Assign the data to the subproject.
6. Start the migration process.
Note
All CAS databases are migrated in the background during operation.
You must perform the data migration for each OS subproject.
Additional information
You can find detailed information on this in the documentation
Process Historian Administration .
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SIMATIC; Process Historian;
SIMATIC; Process Historian;
Software update without utilization of new functions
Service Manual, 03/2016, A5E36200133-AA