We have a CallManager 5.1 with more than 500 DLUs, it works fine since few months.
We want to upgrade it to Communications Manager 6.0.1 but we can't find an official migration procedure on Cisco website...
We received an "upgrade 5.x to 6.0" CD which contains a .sgn patch file, and a PAK for generate the Node license.
Via the OS Admin/Upgrade feature of the 5.1, we installed without problem the patch -5to6-.sgn in approximately 1 hour. But after the final reboot and the new license upload, everything seems working except that the CiscoCallManager Service don't run.
In RTMT, we can see a error message "Error - License Validation Failed for SW Version Feature" although the ccm6 license is present and "Used" in Unit Report.
This is a demo licnese that comes with every CM 6.0 now, I belive it only gives you 50 DLU as a trial (somthing new in CM 6.0). I suggest you either contact TAC or firstname.lastname@example.org to straighted out your licensing.
After upgrading your ccm to 6.0 you have to copy the content of your upgrade license: system -> license -> license upload. There you can search for the current license file content. You have to copy the content and paste it to
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