Source: ZENworks Server Management; Policy and Distribution Services installation on NetWare and Windows servers.
Explanation: The installation program cannot copy a file over a file with the same name that is read-only.
Possible Cause: After a previous installation of Policy and Distribution Services, someone has marked one or more files in the installation directory as read-only.
Action: In Windows Explorer, right-click the read-only file, click Properties, then deselect the Read-Only attribute.
Action: Delete the previous installation and start the installation over again.