How to install Net Framework 3.5 if 0x800f081f is given

This sometimes can be a problem if WSUS/GPO is not set up properly to allow install missing packages and windows update is configured to use WSUS.

Insert your windows installation disk. Make a note of partition number you are using for it eg: D/E

Go to Start -> Open up command line by typing cmd -> Right Click Run as Administator

then type the following

C:\Windows\system32>dism /online /enable-feature:NetFx3 /All /Source:e:\sources\

sxs /LimitAccess

This will allow you install missing package.


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