Logs

Logs are under Applications and Services Logs -> Windows

Port requirements

RDSH to Licensing server

TCP 135 - RPC  for License Server communication and RDSH
TCP 49152 - 65535 (randomly allocated) -  This is the range in Windows Server 2012,  Windows Server 2008 R2, Windows Server 2008

1. TCP on port number 135. This is the main port where communication occurs.
2. TCP on 49152–65535 i.e. RPC dynamic address range. A dynamic port is assigned from this range for validation-related communication.

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references:

RDS 2012: Which ports are used during deployment? | Microsoft Learn Connectivity Requirements for RDP Licensing Server Connectivity and Firewall Rules :: Harvesting Clouds