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I'd ask whoever told your guys it needs to be uninstalled first. In place upgrades have been supported by LANDESK for some time, so you'd need to check the version you were moving from and make sure in place upgrades were supported.
Failing that I'd suggest your LDMS team log an issue with LD about packaging LDSD as one would hope that was a no brainer
It was LDMS support they were talking to.
Subject: Automated removal and upgrade from Console 7.5 to 7.7.1
Description: Would like an automated process to remove previous 7.5 version of console and install the 7.7.1. console for upgrade.
Resolution: Manually remove the console 7.5 as there is not an uninstall file. Remove via add/remove programs then install 7.7.1. console.
I didn't think this was right so I posted this question. I realize their not Service Desk experts but it just did not seem right. Looking at the description, it never mentions Service Desk but I got to believe they were told.
Sounds a bit silly... they should give us an MSI with a silent instll paramiter and unisatll for console.
We use app-v to package up consol ... nice and easy.m
I think that advice can be improved. As LDSD 7.5 supports in place upgrades an uninstall is not required, simply install 7.7.n and the upgrade will take place.
However as I haven't tried it lately with LDMS I'm not certain.
I've had mixed results myself doing 7.5 (or SP1) in place upgrades to later versions (there were a few permisions pitfalls with these installers and they were obviously Gen 1 of new installer technology); 7.6.x and above have been flawless but jumping from 7.5.x problematic on some of my sites. IMHO uninstall 7.5.x first before running the 7.6.x or above installer is safest approach!
Service Desk support had more info like possibly needing "msiexec /x Touchpaper.Console.Main.Installer.msi ENABLEEXEC=1". It seems that 7.5's installer wasn't ... perfect. Uninstall can be a issue as I have seen. There can be issues because the user that installed may need to be the same that uninstall. Even if 7.5 is removed with the 7.5 installer, 7.7 may not install. So far my best results have been installing 7.7 as myself manually by running the 7.5 setup.exe. I say best because even that does not work at all times. My LDMS admin took a VM and installed 7.5 then could not uninstall 7.5 and 7.7 would not run because 7.7 tries an uninstall and fails.
Support said that these issues only apply to 7.5, all newer versions seem to be working with no issues.
A few articles support suggested: