===== [V7] ISSUE: Index migration is performed by every backup jobs (MS Exchange DAG mail level backup set upgraded from version 6 to 7) ===== Article ID: 5126
Reviewed: 2016-01-27

Product Version:
AhsayOBM: 7.3.2.0 - 7.5.0.2
OS: Windows ATTENTION 1st January, 2022: v7 officially End-of-Life [details] ===== Problem Description ===== For MS Exchange DAG mail level backup set created by AhsayOBM version 6, after upgrading the client application to version 7.3.2.0 - 7.5.0.2, index migration is performed on every backup jobs.

The following informative messages are received in the Backup Job Logs during index migration:

[YYYY/MM/DD hh:mm:ss] [info] [100] Migrating index entry Job="Current" Path="Microsoft Exchange" Type="T" from v6 to v7
[YYYY/MM/DD hh:mm:ss] [cbs] [100] info,"Migrating index entry Job=\"Current\" Path=\"Microsoft Exchange\" Type=\"T\" from v6 to v7",0,0,0,,
...
[YYYY/MM/DD hh:mm:ss] [info] [100] Saving encrypted backup file index to backupset_id/blocks at destination CBS...
[YYYY/MM/DD hh:mm:ss] [info] [100] Saving encrypted backup file index to backupset_id/blocks/YYYY-MM-DD-hh-mm-ss at destination CBS...
...
[YYYY/MM/DD hh:mm:ss] [info] [100] Marking this v6 destination as index migrated to server ...
[YYYY/MM/DD hh:mm:ss] [cbs] [100] info,Marking this v6 destination as index migrated to server ...,0,0,0,,

Note:
Index migration should only be performed once by the initial backup job performed after the upgrade (except if the initial backup job failed). ===== Cause ===== This is a known issue with AhsayOBM 7.3.2.0 - 7.5.0.2. ===== Resolution ===== To resolve the issue, patch the AhsayOBM application on all affected Exchange DAG members to version 7.7.0.0 or above. The instructions can be found by Clicking Here. ===== Keywords ===== exchange, server, mail, level, maillevel, mail-lv, dag, migrate, index, indexing, upgrade