troubleshooting Question

Error Re-installing CAS in Exchange 2010

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thisonehasmestumped asked on
ExchangeSBSWindows Server 2008
4 Comments1 Solution748 ViewsLast Modified:

I have uninstalled CAS in exchange 2010 to resolve an issue i am having with OWA, the uninstall went fine but when i go to reinstall through control panel / program / program features i get an error and it fails. I have also tried from the DVD and from a fresh download of Exchange 2010 SP1 from Microsoft.

Below is the error.

Summary: 6 item(s). 2 succeeded, 1 failed.
Elapsed time: 00:00:22

Preparing Setup

Elapsed Time: 00:00:00

Stopping Services

Elapsed Time: 00:00:16

Copy Exchange Files

Installing product D:\CMPNENTS\EXCHANGE14_SP1\exchangeserver.msi failed. Fatal error during installation. Error code is 1603.

Fatal error during installation
Click here for help...

Elapsed Time: 00:00:05

Restoring services

Client Access Role

Finalizing Setup

I have read a lot of posts and they are for 2007 and say to reinstall with the lastest server pack but SP1 is the latest for Exchange 2010.

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