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Article ID: 130544, created on Mar 30, 2017, last review on Mar 30, 2017

  • Applies to:
  • Operations Automation


Install PA agent on node task fails with the following error:

Host #0 does not exist.

Previously, there were attempts to install OA Agent manually on the node getting registered.

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\SWsoft\PEM\ registry key contains host_id value that is not present in the list of servers in PCP.


There is no information about the slave node in OA MN database after a series of actions with the host, therefore a discrepancy appears.


  1. Uninstall OA Agent from the slave host.
  2. Run the task again, it will install the Agent from scratch.

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