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Cisco Bug: CSCun82241 - Switch back to pre 9.x versions need to be blocked

Last Modified

Nov 07, 2014

Products (3)

  • Cisco Unified Communications Manager IM & Presence Service
  • Cisco Unified Communications Manager IM and Presence Service Version 9.1
  • Cisco Unified Communications Manager IM and Presence Service Version 9.0

Known Affected Releases

9.0(1) 9.0(2) 9.1(1) 9.1(1.1) 9.1(2) 9.5(1)

Description (partial)

Symptom:
In 9.x, switch back to pre 9.x version is always allowed. However for 10.x, decision has made to block them in 9.x for two scenarios mentioned in Conditions.

Conditions:
1) When the CUCM pub is already on 9.x and the IM&P pub is upgrading to 9.x, the option to switch back to the 8.x partition immediately after upgrade should result in an error just after upgrade start.

2) When the CUCM pub and IM&P first node are already on 9.x,
and the IM&P sub is upgraded to 9.x,  the option to switch back to the 8.x partition immediately after upgrade should result in an error just after upgrade start.
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