Cisco Bug: CSCtd69640 - Downtime During CUCM Upgrade Documentation
Jul 07, 2017
- Cisco Unified Communications Manager (CallManager)
Known Affected Releases
Symptom: While upgrading a CUCM cluster, if the Pub is upgraded and switched versions to the new version, then there is a downtime untill all Subs are upgraded and switched to the new version Conditions: Eg. Pub is upgraded from 6.1.2 to 6.1.4 and switched version. Now upgrade on the Subs is starting instead of Subs being upgraded simultaneously.
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Bug Details Include
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