Windows 10: GPO installation of software fails from UNC share using FQDN of windows domain

Hi, I spent almost all day on this one so thought I'd share!IMPACT: GPO install of MSI software fails. Event log: “The install of application XXXX from policy YYYY failed. The error was : %%1612”Running gpresult /h output.html showed the following:Software InstallationFailed578 Milliseconds23/12/2022 11:11:32 AMView LogSoftware Installation failed due to the error listed below.The installation source for this product is not available. Verify that the source exists and that you can access it.Additional information may have been logged. Review the Policy Events tab in the console or the applic

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Can I create GPO template for a non domain setup?

This might be what you're looking for AdminThing.blogspot.com: Apply GPO settings on non domain computers : Step by Step

 

Cannot copy file from PC A on Domain A to a file share (either mapped or UNC) on Domain B

PC A - Windows 7/Windows 10 (neither work)

Domain A - Windows 2008 R2 domain

Domain B - Windows 2008 R2 domain

PC A from Domain A cannot copy file(s) from mentioned PC to a file share (either by UNC or mapped drive) to Domain B

There is a two-way trust between Domain A & B

PC A can copy a file from share (either UNC or mapped drive) to itself

Here's the tricky part, after getting the error, and refreshing the window Domain B side (while trying to copy from Domain A/PC A to Domain B file share) the file is there, but when you try to open it, the file is corrupt

 

Server 2003 GPO questions

I solved my problem!
My first issue was the installation files that weren't running. I fixed this by enabling windows installer through the "allow select windows applications to run" option in the GPO. My second issue was turning off the GPO on the fly. Unfortunately, there is no option within the GPO editor that allows for this. However, I did create a .bat file which I can run that will insert specific registry key values that will render the GPO ineffective. I also created a "re-enable GPO" .bat file that I run after I am through making the changes, this will bring the GPO back up.
Thanks so much for your help Batou1986! *Toast :toast: