Error:
Unable to remove product with code 4934d1ea-be46-48b1-8847-f1af20e892c1. Fatal error during installation. Error code is 1603. Last error reported by the MSI package is 'Unable to install because a previous Interim Update for Exchange Server 2013 Cumulative
Update 1 has been installed. Please use Add/Remove Programs to uninstall the Interim Update before running this setup again.'.
The install hangs here after it has disabled a number of services. I have to go back in and re-enable the services to bring Exchange back online. However, smtp still does not respond devices other than itself.
1. How do I get SMTP back online with that server
2. How can I get CU2 installed. My understanding is that uninstalling CU1 means removing Exchange entirely which I do not want to do.
I have a 2 server environment with 2 databases and a single DAG.
DH