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jespinoza_vt's avatar
jespinoza_vt
Copper Contributor
Mar 06, 2024

Why is Add-WindowsCapability so slow for RSAT?

We install RSAT for our technicians by using:

 

 Get-WindowsCapability -Name RSAT* -Online | Add-WindowsCapability -Online​ 

 

The download/install is incredibly slow, averaging about ~15 minutes per RSAT tool. There's a total of 21 RSAT tools to install so do the math. 

  • No network/traffic blocks. This works just as slow on an open home internet network.
  • No difference between a one-liner approach or foreach logic
  • WUServer is 0 in HKLM path of the registry
  • CBS.log shows about ~10 minutes of Download Progress 49/100 (always at the 49/100 mark)
  • DISM.log doesn't show anything useful

     

     

    Quick googling shows a lot of other people experience slowness. If we can't rely on Windows Update CDN, what's the alternative? 


    Separately downloading, extracting, and storing the content on a network share is cumbersome for each time a new build/FU comes out.

 

 

  • Igeli's avatar
    Igeli
    Copper Contributor
    Same here... took almost 7h to install all RSAT Tools 😞
  • Trine735's avatar
    Trine735
    Copper Contributor
    Can confirm this is beyond ridiculous. About 36 MBs for what I was downloading taking literal hours
  • MKelly1240's avatar
    MKelly1240
    Copper Contributor

    jespinoza_vt    I'm on day 3 of waiting for the RSAT tools to download and install.  Only 9 left to go.  Maybe finish this week?

    • MKelly1240's avatar
      MKelly1240
      Copper Contributor

      My install did finish that day.  It was basically 2.5 days from starting the install until it finished.  This was on a virtual machine, so ended up using that copy of the vm as a gold image, since didn't want to have to go through that again for the number of virtual machines that need it too.

  • Adding my frustration to the mix. We have the exact same problem, RSAT installation is horribly slow. This issue was not present on Windows 10.
  • JustinBrethorst's avatar
    JustinBrethorst
    Copper Contributor

    Any updates on this its very frustrating. Is there an offline install as an option?

  • mattyyg0822's avatar
    mattyyg0822
    Copper Contributor
    Same issue here, taking an eternity to down 300k.

    Dear Microsoft, we'd like to get to work now.
  • Damon_Palm's avatar
    Damon_Palm
    Copper Contributor
    Same here. Nice and quick with Windows 10. Windows 11 takes HOURS.
  • MKelly1240's avatar
    MKelly1240
    Copper Contributor

    jespinoza_vt   Just installed Windows 11 24H2 and it wiped out all f the RSAT tools.  Have to download them again.  BUMMER!!!!  Hope maybe they go faster this time.

  • BDassow's avatar
    BDassow
    Copper Contributor

    Feels like it is time to bump this up, as it is still hardly annoying to wait hours until the RSAT Tools are installed...

    • MKelly1240's avatar
      MKelly1240
      Copper Contributor

      Two options to speed the install. 

      1 - Download the Language and Optional Features iso and install from that.  Then at least you don't have to wait for the slow download times for each individual tool.

      2 - Someone suggested to just install the Windows 10 RSAT msi installler.

      • BDassow's avatar
        BDassow
        Copper Contributor

        Thanks for the hint and the Windows 10 RSAT Tools seems to work, but it would be nice to always fetch the "newest" stuff, when building golden images for AVD etc. So yeah, workaround might work (not tested if something else stops working) but please MS, fixe this :)

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