Symptoms

  1. Task for creation subscription on IIS Service node fails with error:

    Class not registered (COM Error 80040154) at Unable to get all IP addresses 
    
  2. Command %plesk_bin%\ifmng.exe --list on IIS node fails shows the same error:

    Class not registered (COM Error 80040154) at Unable to get all IP addresses
    
  3. In Windows Ev event Viewer System log following error appears:

    The server {1F87137D-0E7C-44D5-8C73-4EFFB68962F2} did not register with DCOM within the required timeout.
    

Resolution

Incorrect permissions on one of .dll file under C:\Windows\System32\wbem directory.

Cause

  1. Run Process Monitor with filter by Process Name wmiprvse.exe on IIS node.
  2. Filter all entries for Result Access Denied.
  3. Set correct permissions on the file:

    icacls C:\Windows\System32\wbem\bcrypt.dll /setowner "NT Service\TrustedInstaller" /T /C
    icacls C:\Windows\System32\wbem\bcrypt.dll /grant "NT Service\TrustedInstaller":F
    
  4. Restart failed tasks.

Internal content