Apps not starting / Desktop black screen

Discussion in 'Parallels Client for Mac' started by ClemensR3, Feb 23, 2021.

  1. ClemensR3

    ClemensR3 Bit Poster

    Messages:
    2
    I´m currently having problems with a single client. The rest of the clients in the same network are working properly.

    The client can connect to terminal server, but as soon as an app is opened nothing happens. When I try to open the desktop a black screen with a white mouse pointer shows up. Reinstalling didnt help.

    Any suggestions?

    Thank you
     
  2. Eugene. K.

    Eugene. K. Parallels Team

    Messages:
    104
  3. ClemensR3

    ClemensR3 Bit Poster

    Messages:
    2
    It is the mac client. There is no red screen involved. I can connect to the instance but as soon as I start an app or desktop nothing happens/black screen on windows desktop
     
  4. BenjaminW5

    BenjaminW5 Bit Poster

    Messages:
    1
    Don't mean to hijack this thread, but I'm having the exact same issue on all of our Mac OS devices with Parallels Client 18.0.1 (Build 22496) and the prior version (?) Build 22344 on Mac OS 10.15.7 and Big Sur. We're having the affected users use the HTML 5 client for now. Server side we're running 18.0 (build 22497) and there have been no other changes I'm aware of. In my own testing, I reverted back to the last 17.x client 17.1.2 (Build 21868) and it loads just fine, but if I upgrade to any 18 client I have downloaded it doesn't work. To further explain, if I click on an application to run it says connecting, then disappears. If I hit Control+Up it shows all the apps and the Remote Application is a blank square. Server side the audit log shows nothing and the log file show the connection attempt from the client, but no connection.
     

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