In Multi-Node OC Deployment AD Auth Sometimes Works And Sometimes Does Not Work

[system]

In multi-node OC deployment, AD Auth sometimes work but sometimes is not work, error message is "an error was encountered while handing the remote login".

Issue Description: In multi-node OC deployment, AD Auth sometimes work but sometimes is not work, error message is "an error was encountered while handing the remote login".

Resolution:

IIS had Windows Authentication disabled on the secondary node, Enabling the same and restarting the IIS resolves the issue.

Steps to perform:

1. Open IIS (Internet Information Services Manager)
2. In the Connections section, under the Sites node, select UiPath Orchestrator
3. In the main panel, double-click Authentication to view the details
4. Select Windows Authentication and then, in the Actions panel on the right, select Advanced Settings.
   Note: If not already enabled, enable Windows Authentication to continue with these instructions.

5. Click the UiPath Orchestrator site on the left, and then double-click Configuration Editor in the main area.
   
   
   
6. In the Configuration Editor, along the top, from the Section list, select system.webServer/security/authentication/windowsAuthentication.
7. For useAppPoolCredentials, set the value to True.