Windows Add Remove Program Inventory (Software Discovery) is sending all information during Delta Inventory.
In some cases removed software was not getting properly removed during a Delta.
This is a known issue.
A Point-fix is available to add on versions 7.1 SP2 MR1 and 7.1 SP2 MR1 v3. This will also be fixed in 7.1 SP2 MR1 v6.
***These fixes are currently undergoing final validation. If you have been instructed to download them, please do so, otherwise please wait for this notice to be removed before applying.***
These Point-fixes require an upgrade to the main Symantec Management Agent. To apply, please extract the contents of the fix to the Notification Server and run the PFInstaller.exe logged in as the Application Identity. Once completed the Upgrade policy for the SMA should be enabled to deploy the fix.
Software Management Framework 7.1 SP2 MR1, MR1 v3