When trying to install the Quest Webparts on the SharePoint server farm the following error is received:-
Object Reference not set to an instance of an object.
Title
Error message “Object Reference not set to an instance of an object”Description
Cause
The SharePoint sites are down.
Resolution
Check if the SharePoint sites where the Quest WebParts are being installed are browsable in a web browser.
Once the sites are up QWP gets installed without any error.
Defect ID
The SharePoint sites are down.