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Microsoft Remote Desktop 10 for Mac no longer connecting; error code 0x204 RRS feed

  • Question

  • Two Mac products with different operating systems, yet the same Microsoft Remote Desktop 10. I was able to connect with BOTH, but then I can no longer connect with my iMac now. I believe it's something with the newest Mac OS Catalina update it did and now Remote Desktop 10 does NOT work with it...my guess.

    Below are the credentials:

    MacBook Pro (which works):

    Mac OS High Sierra v 10.13.6

    Microsoft Remote Desktop v 10.3.3

    iMac (which does NOT work):

    Mac OS Catalina v 10.15

    Microsoft Remote Desktop v 10.3.3

    Help!

    Saturday, October 19, 2019 1:29 PM

All replies

  • And now they're both NOT working once again...this keeps happening! They work, then they don't work. What is going on!?
    Saturday, October 19, 2019 2:18 PM
  • HI
    pc1:MacBook Pro  and OS is Catalina v 10.15
    pc2:iMac and OS is High Sierra v 10.13.6
    pc3:??
    1 did you have a windows computer ,let us named it pc3 ?
    2 from your description, you can remote access from MacBook Pro to pc3 and you can not remote access from iMac to pc3 , is it true ?

    3 if you install 
    Microsoft Remote Desktop for Mac Version 10.3.4 (1682) on IMac ,will the problem persist ?

    Microsoft Remote Desktop for Mac Version 10.3.4 (1682)https://rink.hockeyapp.net/apps/5e0c144289a51fca2d3bfa39ce7f2b06/

    Please Note: Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.



    Best Regards
    Andy YOU
    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.


    Monday, October 21, 2019 5:43 AM
    Moderator
  • HI
    Is there any progress on your question?

    Best Regards
    Andy YOU
    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

    Friday, October 25, 2019 3:02 PM
    Moderator
  • Glad I found this thread. I have exact same problem. Windows Server at my business using ethernet connectivity will error when MRD tries to sign in with MRD 30.3.3, Catalina, latest updates. If I use my  usiness VPN, I can access the server, but when I start MRD to connect our software client, the error message reappears and is the same. Of note, I downloaded 10.3.4 beta and tried. Same error. It did solve a "disappearing" pointer/cursor issue that 10.3.3 was having. My IT department is baffled. Any ideas? Thanks! btw, the error message was not specific with a number. It only said server will not allow connection, or something close to that. The more exact message is the server cannot be found.

    • Edited by Vetdocjim Sunday, October 27, 2019 5:12 PM
    Sunday, October 27, 2019 5:09 PM
  • HI
    If we install Microsoft Remote Desktop for Mac Version 10.3.4 (1688) on Mac computer ,will the problem persist ?

    Microsoft Remote Desktop for Mac Version 10.3.4 (1688)
    https://rink.hockeyapp.net/apps/5e0c144289a51fca2d3bfa39ce7f2b06/

    Best Regards
    Andy YOU
    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

    Tuesday, October 29, 2019 5:53 AM
    Moderator
  • Just getting back to you. I installed and tried MRD 10.3.4 (1688). It was better but would not connect. I mean better in that when I used the IP address for the host server I got to a point where it asked me to trust a certificate. I did. I tried repeatedly but the error message remained the same "the user Account did not work" Try again. I double checked all the credentials (password, IP, etc). My IT department is working on things but I have no word yet. Any ideas?
    Wednesday, October 30, 2019 12:15 PM
  • Following up. I got it to work! After the most recent Catalina update I tried again. No luck. So I looked carefully at my sign in credentials and found I had used / instead of \ in my domain name! That was the problem. This was not the same when I tested 10.3.3 with Catalina. I had re installed after a complete removal of 10.4.4 a few times and re-entered my credentials and made the mistake. As of a few hours ago, all is up and running. Thanks! I will update you if things change.
    Friday, November 1, 2019 9:37 AM
  • You are welcome! I am glad to hear that your issue is solved.

    Best Regards
    Andy YOU
    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com.

    Friday, November 1, 2019 2:42 PM
    Moderator