Posted by: David | October 12, 2010

Problems installing Exchange 2007 SP3 32Bit Management Tools

Came across this error today when trying to install the Exchange Management Tools so I could backup the database.

Error: “The Exchange Files Are Not Installed, But The Backup Settings Registry Key Is Present. Only Build To Build Upgrade Mode Is Available.”

After some research no usable results were found.

I backed up / removed the follow key and sub keys from the registry:


The installer then ran but failed with an error:

Installing product E:exchangeserver.msi failed. Fatal error during installation. Error code is 1603. Last error reported by the MSI package is ‘Error reading from file <PATH TO FILE>exchangeserver.msi

However the management tools now appear to be working, to be safe I then un-installed the tools form Add / Remove Programs. Rebooted and reinstalled.


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