I'm trying to install SP1 it starts and gets to a point where it asks for the location of "Veritas Backup Exec For Windows Servers.msi" file. Where is this file located? I downloaded both 9.1 and sp1 install files so there are no .msi files to point to.
Tip: you have to make sure the installation files are on the server machine(either on the hard disk, or in the cd-rom). it cannot be patched successfully if trying to pull the MSI across a network.