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Event ID 66 — Remote Desktop License Server Discovery

Applies To: Windows Server 2008 R2

Remote Desktop license server discovery is the process by which a Remote Desktop Session Host (RD Session Host) server contacts an available license server to request Remote Desktop Services client access licenses (RDS CALs) for the clients that are connecting remotely to the RD Session Host server. If the RD Session Host server cannot discover a license server, client connections may fail.

The recommended discovery scope for a license server is forest discovery scope. If you configure forest discovery scope, RD Session Host servers, without any additional configuration, can automatically discover a license server in the same forest, because the license server is published in Active Directory Domain Services. To configure forest discovery scope, you must be logged on as an enterprise administrator to the forest in which the license server is a member.

Event Details

Product: Windows Operating System
ID: 66
Source: Microsoft-Windows-TerminalServices-Licensing
Version: 6.1
Symbolic Name: TLS_I_LS_UNPUBLISHED
Message: The Remote Desktop license server has been unpublished from Active Directory Domain Services.

Resolve

This is a normal condition. No further action is required.

Remote Desktop License Server Discovery

Remote Desktop Services