Failed to open package file due to error 0x80070020. The process cannot access the file because it is being used by another process. This happens when loading a package and the file cannot be opened or loaded correctly into the XML document.

This error message comes while performing one (Or both) of the following actions. 1. Run SSIS Package using dtexec.exe (Either from a command file or through a Job running on SQL Server 2008) 2. Open SSIS package using VS2008 or BIDS If you have a log file for the job, the exact error essage you see would be as…

Checkin cannot proceed because the policy requirements have not been satisfied.

I got this message while checking-in a file after the fresh installation of Visual Studio 2008 Professional and TFS client. This message disappeared after installing VSTS 2008 Power Tools. The download link is provided for your quick reference here. Please share your feedback if the same fix has helped you.