CCM 4.x to 5.x upgrade

Unanswered Question
Apr 15th, 2008

Has anyone carried out an upgrade from CCM 4.1(3) sr2 release to 5.1(3) does the upgrade CD come with a PAK key for license generation and if it does how can i re-generate it if the same has been lost by me

I have this problem too.
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rob.huffman Tue, 04/15/2008 - 06:15

Hi Sudhir,

The licenses are aquired after the Upgrade has been completed. Here is the method;

Upgrading Product Licenses

When you upgrade from supported Cisco Unified CallManager Manager 4.x releases, the system calculates the licenses that are required for existing devices and Cisco Unified CallManager nodes and generates an intermediate file (XML file) that contains this information. You use this file to obtain license files that you can upgrade into Cisco Unified CallManager Administration. You receive these licenses free of cost because you are already using these phones for a Cisco Unified CallManager 4.x release.


Note You need to upgrade product licenses only if you upgrade from a 4.x release to the 5.1(3) release. You do not need to upgrade licenses if you upgrade from a 5.x release to release 5.1(3).


Use the following procedure to obtain licenses for Cisco Unified CallManager when upgrading from supported 4.x releases.



Step 1 After you complete the Cisco Unified CallManager upgrade process, navigate to Cisco Unified CallManager Administration and choose System > Licensing > License File Upload.

The License File Upload window displays.

Step 2 Choose the license XML file from the Existing Files drop-down list, and click View File. A pop-up window displays that has the license information for existing devices and nodes. Copy this information. To copy the contents on this window, you can use Ctrl-A (Select All) and Ctrl-C (Copy).

Step 3 Navigate to the License Registration web tool at

Step 4 Enter the MAC address of the Ethernet 0 NIC of the first node of the Cisco Unified CallManager cluster.

Step 5 In the text box that is provided, paste the license file contents that you copied in Step 2 by using the appropriate keyboard shortcuts, such as Ctrl-V.

Step 6 Enter a valid e-mail address and click Continue. A license file generates.

The system sends the license file to you via E-mail using the E-mail address that you provided.

Step 7 You must upload the license file to the server with the matching MAC address that you provided in Step 4. See the "Upgrading Product Licenses" section.

Step 8 You can obtain licenses for new devices that you are adding to the upgraded system, if your system requires additional device license units. For more information, refer to the document Installing Cisco Unified CallManager.

Hope this helps!


Sudhir Menon Tue, 04/15/2008 - 06:21

Hi Rob,

This helps a lot to more than even my requirement

But has this upgradation carried on from your side as i had a concern from one colleague about the PAK key

rob.huffman Tue, 04/15/2008 - 09:32

Hi Suhir,

I have not done this upgrade, but I have helped a few people through the process here :) The PAK will not come into play with a 4.x to 5.x upgrade;

Q. My customer wants to upgrade from Cisco Unified CallManager 4.0 to Cisco Unified CallManager 5.1 on new hardware (decommission old hardware). What steps do I need to follow to ensure the licensing transfers?

A. Do the following:

1. Perform a Backup and Recovery System (BARS) backup.

2. Run Data Migration Assistant (DMA) export on the existing system.

3. Obtain the new license file using the upgrade process in the Cisco Unified CallManager documentation.***this xml file is created as per the doc I sent earlier.***

4. After receiving the new license file, send an e-mail to [email protected] requesting rehost of this license on the new cluster (publisher).

5. Obtain an Extended Markup Language (XML) license file from export and send it to [email protected] to do a rehost of this license. Also provide the MAC address of the new publisher. The same quantity of device license units and nodes will be returned with the new MAC address.

6. Perform a fresh install of Cisco Unified CallManager 5.1, DMA import, and upload license files received in step 3.

7. If the installation fails, reinstall the basic input/output system (BIOS), reinstall Cisco Unified CallManager, and reinstall BARS restore.

Hope this helps!



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