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Article ID: 128570, created on Mar 23, 2016, last review on Mar 23, 2016

  • Applies to:
  • Plesk Automation 11.5


When adding a Windows service node, the task Prepare node 'win1' to PA agent installation fails with the output:

Failed to execute command '/usr/local/pem/roles//PPA/Ensure-PrimaryDNSSuffix-Empty.vbs'. Check logs in 'c:\POA_Deploy' at host '' for more details about the reasons of failure.

The following error message can be fount in the file c:\POA_Deploy\runas.txt on the Windows service node:

ERROR: context    = LogonUser
       error code = 1326
       message    = Logon failure: unknown user name or bad password.


Incorrect administrator password was specified during adding the service node.


  1. Click the failed task Prepare node 'win1' to PA agent installation
  2. Click Cancel Task Tree button, confirm the action
  3. Add the service node with the proper credentials.

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