I have seen this before. Some anti virus program removes part of installed files (like uninstall.exe) which makes the uninstall not removing cleanly. This might require manual cleanup (like deleting the old install files/registry) to fix.
There are some programs available to remove programs - I've used REVO before (not for Unisphere) and had good luck getting rid of stuff not removed. I've also re-installed the old version of USM, then uninstalled and that also worked before.
You are right. I go to regedit and find for Unisphere Service Manager related registry then do a manual delete. After that, USM installation is successful. Think there is a unclean during uninstalling USM.
maniemc
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Posted March 7th, 2016 15:00
I have seen this before. Some anti virus program removes part of installed files (like uninstall.exe) which makes the uninstall not removing cleanly. This might require manual cleanup (like deleting the old install files/registry) to fix.