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Cannot Upgrade from Cisco CallManager 3.3 to 4.0

Hi,

I've a Cisco 7800 series with CallManager 3.3 and I wanna upgrade it to CM 4.0.

But it give error when upgrading.

I cannot uninstall the CM3.3, or install the CM4.0 or upgrade the CM3.3 to CM4.0 too.

For the uninstall of the CM3.3, the button "change/remove" is disabled".

And for the upgrade, it display these errors:

1 - ReConnectRegistryA: Error: 53: The network path was not found

2 - Failure occured trying to get DBNAME value from registry. Aborting Cisco Call Manager installation.

The SQL Server is started.

The network connection is OK.

Cany you help me.

Thanks.

1 REPLY
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Re: Cannot Upgrade from Cisco CallManager 3.3 to 4.0

What is the exact CCM 3.3 version? Is it 3.3(5)?

Thanks!

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