[cisco-voip] CUCM and IM&P 10x Upgrade and Parameters

[Anthony Holloway]

Upgrade Gurus,

I am planning an upgrade from a CUCM and CUPS 8x to CUCM and IM&P 10x and I
came across this passage in the CUCM 10.0(1) Upgrade Guide, and I was
wondering if anyone has experience to share on this topic?

With the merging of Cisco Unified Communications Manager and IM and
> Presence Service, enterprise and service parameters are now shared between
> nodes in a cluster. As such, both types of nodes use the same settings for
> enterprise and cluster-wide parameters. You need to be aware that not all
> parameter settings are retained during an upgrade to Release 10.0(1). All
> enterprise parameters and cluster-wide service parameters that are common
> to both Cisco Unified Communications Manager and IM and Presence Service
> retain the value specified on Cisco Unified Communications Manager only,
> with one exception. The User Assignment Mode parameter is the only
> enterprise parameter that is retained during upgrade. Service parameters
> that apply to IM and Presence only are retained after an upgrade.
>


> Cisco recommends that before you begin an upgrade, you make a note of
> parameter settings and evaluate the best settings for the combined cluster.
> This will allow you to easily configure those settings after the upgrade is
> complete.


*Source: http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/upgrade/10_0_1/CUCM_BK_U4214F9D_00_upgrade-guide-cucm-100/CUCM_BK_U4214F9D_00_upgrade-guide-cucm-100_chapter_010.html#CUP0_RF_P3D1854B_00
<http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/upgrade/10_0_1/CUCM_BK_U4214F9D_00_upgrade-guide-cucm-100/CUCM_BK_U4214F9D_00_upgrade-guide-cucm-100_chapter_010.html#CUP0_RF_P3D1854B_00>*
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