Our customer want upgrade their CUCM 6.1 to CUCM 10, but we don't have any experience at here, so could anybody share some experience at here ?
Thanks very much.
A few things to concider, CUCM 10x can ONLY be installed on VMWare, so you need to choose between a UCS-TRC, (tested HW from Cisco), UCS specs based, (Cisco HW but it is up to you to make the config work), or use 3rd party HW and in this case TAC will only check on the CUCM App, for the upgrade you can basically take a DRS backup and build a paralel server, upgrade that up to 8x, then move to VMWare and then upgrade to 10x, another option is to use BAT to export / import as much info as you can, (this will require you to modify the csv files), Please notice that Cisco does not recommend to build a CUCM 6x on VMware.
I'd suggest to contact your account team and ask them for the 'Drive to Collab' option, see:
CUCM 6.1.5 can be migrated to 10.5.x with Prime Collaboration Deployment (PCD) directly.
Be sure that your ESXi server (where you plan deploy CUCM 10) have VMware API feature license (trial license will be enough for migration) because PCD require it to establish connection with this ESXi.
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