We are planning an upgrade from CUCM 5.1 (Active Master Version: 126.96.36.19900-5) to CUCM 7.1. I have the DLU files from version 5 and it should not be a problem to use the same license files in 7.1. However my question is what would be the easiest way to save the 5.1 configuration and then to import it back into the new box? Can I use BARS or DR to perform a backup and of course would it be possible to restore 5.x backup on 7.x machine? I am assuming a fresh install on a new MCS (not an upgrade). This is because i will have to replace the HDDs in order to support the 7.x hardware platform requirements.
License Unified CM 7.1 7835 Appliance, 2,500 seats
I haven't unpacked the box yet but I believe it comes with 7.1 installation DVDs. Do I need another image for the upgrade from 5.1 to 7.1? And can I go upgrade straight from 5.1 to 7.1 using the CUCM OS admin page upgrade?
It may also be worth checking out the 'Cisco Unified Communications Operating System Administration Guide, Release 7.1(x)' depending on which version you are going to, to see if the information below still applies:
This second link is from the CUCM 7.1(2) guide, but I have just added it as an example. Just check the relevant guide for the version you are upgrading too first to make sure there are no special requirements when upgrading from CUCM 5.x as above.
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