Re: Action Plan for migration from 4.1.3 to 5.0.4(a)
1000 phones, sounds like you will need a HP DL380G4/7835, but you should really use the device wieght calculation tool to see if you can get away with the 7825G5 (I believe the 7825G4 has just gone EOL).
Licensing will be free, you get a free upgrade from CCM4 to CCM5 - on a like for like basis. If you have 2 servers and 1000 phones now, that is the license file for CCM5 that you will get - you will have to pay Cisco if you want more server, phones etc later on.
The tricky part is the upgrade process. You have to do the upgrade on the same box because it is the MAC address of the box that is used to generate the interim XML license file. This means that you will have to install CCM4 on the new server. Then get it to the same OS/patch version as your current server. Next, do a BARS backup from the production kit and restore to the new kit. Confirm that the new CCM is running well.
Download and install the DMA migration assistant on the new server and run it. This produces a file that you will need when installing CCM5.
Insert the CCM disk on the new server and install CCM5. During the setup, choose the migrate from Windows installation option. This will install CCM5 and get it to the point where it is on the network. It will then prompt you for an IP address, sub directory, username and password for a host where the DMA file is. Stick a secure FTP client on a PC on the same network as the new server, create a user etc, put the file that DMA created there and let the CCM5 server suck it up. Do not try to use FTP even though the option is there, there are several bugs that mean it doesn't work on many (if not all) versions.
The server installation will complete. Then go into the System, Licensing menu. One of the submenus in there allows you to see the interim license file (sorry - can't remember the exact sub menu). Copy and paste it into notepad or whatever and send it to email@example.com and with the email tell them the MAC address of the servers. They will generate a license file and email you back.
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