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You'll need to build a version 7.1.5 on your new hardware/VM and restore from backup onto new platform. you can then upgrade to 8.6.2.
If you are unable to re-build the 8.6.2 hardware then your only option is to use the import/export tool to export all configuration from the v7 and then import into v8 but you would lose historic CDR info.. but this retains configuration.
Not ideal you have an 8.6.2 already which is licensed when Cisco have/had a migration path a few years ago....
Hope this is useful
thanks for your answer.
I have already an installed 8.6.2 server with installed licences on a hardware platform.
so I don't want to re-install it from the 7.1.5 level.
I don't need any CDRs now.
will I receive the working 8.6.2 after the export of configs from 7.1.5 and the import of its into 8.6.2?
using the import/export tool should be fine. some subtle differences between v7 & v8 and you may need to run import of data several times due to some dependencies on config you are yet to import. As you are able to have both systems running you can test thoroughly before going live.
Alternatley, upgrade your v7 to v8.6 but you will need Cisco to re-host license from v7 to v8.
I have two CUCMs on hardware platforms - 7.1.5 and 8.6.2.
And I need to move all the configs from 7.1.5 to 8.6.2
The reason is simple - I cannot find phones for 7.1.5 to buy :)
As I understand the upgrade is the process when I make changes over my one CUCM.
And the migrate is when I move configs from one CUCM to another CUCM.
OK, if I will try the next steps:
1. Make a DRS backup on an old CUCM 7.1.5.
2. Install a new virtual CUCM 7.1.5 for intermediate purposes.
3. Restore DRS backup from 1-st step on a virtual CUCM 7.1.5.
4. Upgrade a virtual CUCM 7.1.5 to the 8.6.2 version.
5. Make a DRS backup from a virtial 8.6.2 (ex-virtual 7.1.5)
6. Restore a DRS backup on a hardware 8.6.2 with existing licences.
Will it work?