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Session Manager System recovery from possible loss of state synchronization

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TitleSession Manager System recovery from possible loss of state synchronization
IdentiFi Controller log message report:
MU Session Manager System has recovered from a possible loss of state synchronization with low-level session tables. Session tables have been re-synchronized and state re-established. If problem persists please contact technical support
  • C-4110
  • C-5110
  • C-5210
  • Firmware: 9.12.02, 9.12.03, 9.15.04
The controller session tables were not fully purged after a controller fast failover event,  the system needed multiple purges to re-synchronize the table. The log message will show up as an event, but the system would eventually synchronize and the MU sessions would be complete, no loss to controller or user functionality.
  • Upgrade to version 9.15.05 or higher. Confirm both controllers in the availability pair are running the exact same code. 
  • If already on this code or higher, verify if any other sync messages are seen in logs, such as a Role tied to a non-existent topology is not fully synced due to missing IP address on one of two controllers
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