TitleDuring upgrade to 6.3 the ‘Quest Web Parts’ site-collection feature has been disabled for all sites
CauseOne possible cause of this issue would be that the installation account used for the upgrade did not have the correct permissions to each site collection where the feature was deployed.
There are two possible resolutions to this issue:
Manually activate the site-collection feature "Quest Web Parts" for each site collection where the feature is required.
Use PowerShell to activate the feature for all site collections. An example of a script to perform this task is below: