Creators Update #1: RemoteApp and Desktop Connection - Gateway unavailable...

Tags: creators-update, gateway, rdp, remoteapp-and-desktop-connection, windows-10

Last week I upgraded all my personal Windows 10 devices to build 1703 (Creators Update) and after a few days of testing I was convinced this build is solid enough to upgrade my work laptop as well... true so far except for one minor issue! When I had to connect to a client's RemoteApp and Desktop Connection gateway, which they host on Windows Server 2008R2, I got the following error: "Your computer can’t connect to the Remote Desktop Gateway server. Contact your network administrator for assistance." I don't know exactly what changed in this Windows build with regards to the RDP client, however I worked around it by restoring the following two files to the Windows System32 folder, from the Windows.old folder:

  • mstsc.exe
  • mstsccax.dll

As you can see from the file replace details, the files have changed somewhat with this new build. I don't yet know if this also occurs with RDS hosted on 2012 and up, if it does please leave a comment below. Obviously not a permanent solution, but unfortunately I don't have the luxury of waiting for one.  

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