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Cisco Bug: CSCum92892 - CUP or IM/P switch version failure due to 'Version Mismatch Error'

Last Modified

Aug 15, 2019

Products (4)

  • 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 10.0
  • Cisco Unified Presence Version 8.6

Known Affected Releases

10.0(1) 8.6(5) 9.1(1)

Description (partial)

Originally found during development.

Symptom:
In a CUP or IM/P multi-node cluster deployment, administrator attempts to switch version Subscriber node from Cisco OS Administration or Command Line Interface (CLI) results in the following error causing switch version operation to fail.

ERROR: Version mismatch. Primary host "host.cisco.com" is running version 8.6.2.20000-2. Please switch versions on "host.cisco.com" and try again.

Conditions:
This problem does happen ONLY on a CUP or IM/P Subscriber during
1) Manual forward switch (from a lower software version to a higher software version). Assumption is that   CUP or IM/P Publisher node has already been switched version to the relevant software version.
1) Manual switch back (from a higher software version to a lower software version). Assumption is that   CUP or IM/P Publisher node has already been switched version to the relevant software version.

Versions:
Switch Back issue:
8.6.5/8.6.5 SU1/ 8.6.5SU2 -> 8.6.x
9.1.1/9.1.1 SU1 -> 8.6.x

Switch Forward issue:
8.6.5/8.6.5 SU1/ 8.6.5SU2 -> Any higher version
9.1.1/9.1.1 SU1 -> Any higher version

Related Community Discussions

CUPS version mismatch on Subscriber!?
Hi guys, Need a bit of help.... We have CUPS on version 9.1.1.30000-3, I have installed 9.1.1.31900-1 on both servers… I have switched versions ok in the Publisher, but it fails on the subscriber…. 9.1.2.11900-12 is the version of the CUCM Cluster !!! The Subscriber shows: ACTIVE master version – 9.1.1.30000-3 INACTIVE master version – 9.1.1.31900-1 The Publisher shows: ACTIVE master version – 9.1.1.31900-1 INACTIVE master version – 9.1.1.30000-3 When switching version on the subscriber we get - ...
Latest activity: Nov 23, 2015
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