[cisco-voip] Upgrade from callmanager 3.1 to 3.3(4) issue

[hady salah ashour]

Dear All ,
 
i have Callmanager 3.1 and i want to upgrade it to version 3.3(4) to support ip phone 7912.
i do the follwing:
1- Install the Operating System by Using Same Server Recovery and i did 
Procedure like in tne document
2- install win-OS-Upgrade-K9.2000-2-6 upgrade
3- install OS win-OS-Upgrade-K9.2000-2-6sr8 update
4- install ccm 3.1(3a)
5- install sql 7 sp4
6- install ccm 3.1(4b) upgrade
7- i download ccm 3.3 (4)  upgrade from cisco.
8-  when i install ccm 3.3 (4) upgradei t show me error again " you are attempting to upgrade cisco callmanager 3.1(4b) to version 3.3(4) upgrades from this version of cisco callmanager require using the same-server recovery method"
Please help me to upgrade the ccm to support ip phone 7912.
 
 Best regards,
 Hady


      
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