Upgrade Call Manager 4.2 to 7.1

[Glenn Jordan]

Has anyone done an upgrade of CM 4.2 to 7.1 and what issues did you have?

[lusandi]

Hello Glenn,

Can you provide me the complete CUCM version?

Here is a usefull link:

https://www.cisco.com/en/US/docs/voice_ip_comm/cucm/compat/ccmcompmatr.html

As you can see, you can do a direct upgrade from: 4.2(3) to 7.1(3b) using the DMA tool.

Thanks,

[Glenn Jordan]

Yes,

System version is 4.2(3)sr4b

Administration version is 4.2(2)

Install ID is CCM4.2(3)sr4b