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Upgrade Order - CUCM, CUC, & CUP

bbenner
Level 1
Level 1

‎12-03-2014 07:03 AM - edited ‎03-17-2019 01:11 AM

 

Customer has a virtual CUCM, CUC & CUP environment running on 2 hosts in the same chassis.  CUC & CUP are misbehaving due to known CPU utilization bugs and will be upgraded to latest SU.  Question is what to upgrade first?  CUC is the most unstable, so upgrading it first was my initial thought, then CUP and CUCM last.  Is there any reason to change this order of updates?

 

CUCM 8.6(2a)SU2     update to 8.6(2a)SU5

CUC 8.6(2a)SU3        update to 8.6(2a)SU5

CUP 8.6(5)                 update to 8.6(5)SU3

 

 

I appreciate it,

 

Beau

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Chris Deren
Hall of Fame
Hall of Fame

‎12-03-2014 07:39 AM

You can upgrade CUCM or CUC in either order based on the versions you provided.  CUP should be upgraded after CUCM has been upgraded.

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