You may observe that when you try to resize any columns in a task, the SMP (Symantec Management Platform) console will throw an error in some occasions.
The issue happens when you try to resize the description or start time columns etc....
Note: You found that if you are logged into the SMP server as the service ID (AppID) you can resize them with no issue but if you login as user that is a Symantec admin it still causes the issue. If you login as any other user besides the service ID (AppID), the issue will replicate.
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[1] 4/14/2016 12:22:33 PM (w3wp)
Altiris.TaskManagement.UI.Controls.Grid.AltirisGridControl.LoadUserSettings
Error while restoring personalization properties
Input string was not in a correct format.
[System.FormatException @ mscorlib]
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ITMS 7.x, 8.x
Known issue. Possible corruption on "UserSettings" table.
Run the following query and reopen the SMP Console with the desired account:
TRUNCATE table UserSettings