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Unable to log in to Plesk on Windows server: Unable to connect to pipe

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Taras Ermoshin
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Plesk for Windows kb: technical

Applicable to:

  • Plesk for Windows

Symptoms

  • On a Plesk for Windows server, logging in to Plesk fails:

    PLESK_ERROR: Error message or request description : Unable to connect to pipe \\.\pipe\P_7da1332a-fe05-4176-91f2-4c4457fb71f0at (Con::ClientOverlappedPipe::create line 509)at get shared instance of PleskSrvClient(PleskSrvClient::getInstance line 327)at Unable to get administrator password: <Password has been wiped out for security reasons> line 205)

    PLESK_ERROR: ERROR: Exception: Access is denied. (Error code 5) at Unable to connect to pipe \\.\pipe\P_36a625a6-260f-44af-b844-3beee654dbd6<br> at (Con::ClientOverlappedPipe::create line 503)<br> at get shared instance of PleskSrvClient(PleskSrvClient::getInstance line 337)<br> at Unable to get administrator password:(zif_get_admin_password line 206) (Helper.php:68)0: Helper.php:68get_admin_password()...AutoPrepend->run()9: auth.php:690

  • Attempt to upgrade Plesk fails with the same error.

Cause

Plesk Management Service is stuck, not started or not available.

Resolution

  1. Connect to the server using RDP.

  2. Restart the Plesk Management Service using the Plesk Services Monitor (Plesk icon in the tray menu):
    Monitor.PNG

  3. Kill the process plesksrv.exe in the Task Manager and restart the service along with PopPass service:
    Monitor2.PNG

  4. Run %plesk_dir%admin\bin\reconfigurator.exe > Repair Plesk Installation > Plesk services:
    MOnitor3.PNG

Comments

5 comments

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  • Avatar
    Mark Anderson

    Just curious, but won't rebooting achieve the same thing ?

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    Alisa Kasyanova

    @Mark Anderson

    Reboot should fix the issue as well, but in this case only Plesk is unavailable, while reboot will cause downtime for all domains on the server. So if only Plesk Management Service is not running, it is better to start only this service.

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  • Avatar
    Rajesh

    Creating a subscription

    Cannot connect to the task manager (plesk-task-manager service might not be running): Unable to open named pipe stream: The system cannot find the file specified. (Error code 2) at Unable to connect to pipe \\.\pipe\TM_2a602a7a-049e-1f6f-ee89-36292050ef3b<br> at (Con::ClientPipe::create line 189)<br> at (zif_plesk_open_named_pipe_stream line 2670) 0

     

    facing this error I had restarted but still not error remain same.

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  • Avatar
    Julian Bonpland Mignaquy

    Hi Rajesh

    If it was not resolved by this article please open a support ticket with us so we can log in and help you.

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  • Avatar
    Hindus Software

    Unable to Start Plesk Managment Service in Plesk Onyx

     

    Cannot connect to the task manager (plesk-task-manager service might not be running): Unable to open named pipe stream: The system cannot find the file specified. (Error code 2) at Unable to connect to pipe \\.\pipe\TM_2a602a7a-049e-1f6f-ee89-36292050ef3b<br> at (Con::ClientPipe::create line 189)<br> at (zif_plesk_open_named_pipe_stream line 2670) 0

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