Specify the order in which Windows Installer searches for installation files

This policy setting specifies the order in which Windows Installer searches for installation files. If you disable or do not configure this policy setting by default the Windows Installer searches the network first then removable media (floppy drive CD-ROM or DVD) and finally the Internet (URL). If you enable this policy setting you can change the search order by specifying the letters representing each file source in the order that you want Windows Installer to search:– “n” represents the network;– “m” represents media;– “u” represents URL or the Internet. To exclude a file source omit or delete the letter representing that source type.

Additional Information

  1. Registry path is:

    HKEY_CURRENT_USER -> Software -> Policies -> Microsoft -> Windows -> Installer # SearchOrder

  2. The Administrative Template path is:

    Windows Components -> Windows Installer


* Making mistakes while changing registry values can affect your system adversely. We recommend you to create a System Restore point before making registry manipulation. If you're new to Registry Editor, read this beginner's guide.
** To locate the registry and administrative template path, checkout beginner's guide.
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