7.1(3) to 9.1 is supported and your hardware is supported as well but you might need some extra ramYou mentioned 8.x that is why I thought you were going to 8.x, the external hard drive requirement is still needed when upgrading to 9.1 Hardware compa...
Reboot should not be neccesaryAfter changing the ip address, did you try pinging the CUCM sourcing the ping from loopback 0 to make sure there isn't a routing issue?If that is successfulyou can try restarting h323 (this will drop active calls)voice s...
If you migrating from MCS to UCS this link might be usefulhttp://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/virtual/CUCM_BK_CF3D71B4_00_cucm_virtual_servers.htmlDRS for 8.6http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/drs/8_6_1/drsag...
