When you attempt to deploy an application using Group Policy, having insufficient free space on the domain controller's SYSVOL partition will result in the Msiexec.exe process hanging. The Application event log will contain a message similar to:
Event Type: Error
Event Source: MsiInstaller
Description: Product: Microsoft Office 2000 Premium -- Error 1711. An error occurred while writing installation information to disk. Check to make sure enough disk space is available, and click Retry, or Cancel to end the install.
You can NOT use Task Manager to stop the Msiexec.exe process.
You can NOT use net stop msiserver at a CMD prompt to stop the process.
To stop the process, you kill.exe to kill the Msiexec.exe process.
NOTE: You must have enough free space to hold the .aas file.