The Source Was Not Found But Some Or All Event Logs Could Not Be Searched

[system]

Error Message:
Error EventLogTarget(Name=eventLog_wrapped): Error when connecting to EventLog. Source=Orchestrator in Log=Application Exception: System.Security.SecurityException: The source was not found, but some or all event logs could not be searched. Inaccessible

This Error is observed in NLog when the Orchestrator web.config file or Orchestrator.dll.config file is configured to troubleshoot NLog configuration for proper syntax.

Resolution:

• On the Orchestrator Server machine, open Powershell as an Administrator and run the below Command
  • New-EventLog -Source Orchestrator -LogName Application

• It is also recommended to check if the Orchestrator Registry entry is missing which is responsible for generating the Logs. Refer to the below KB for steps
  • Orchestrator Event Viewer Logs Not Available