No worries. Presence becomes part of the CUCM Informix database. It’s all transparent behind the scenes. You see in CCMAdmin under System > Server the IMP server.
From: cisco-voip [mailto:[email protected]] On Behalf Of Anthony Holloway Sent: Tuesday, October 28, 2014 3:04 PM To: Cisco VoIP Group Subject: [cisco-voip] CUCM and IM&P 10x Upgrade and Parameters 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 itevomcid
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