Remote desktop client randomly unable connect to the RDS farm

Recently I ran into a problem with an existing Remote Desktop Services 2012 R2 at a client site. The error occurred intermittently and after a number of retries, client could establish connection normally making the issue not always reproducible.  This blog summarises the process of identifying the symptoms, possible causes, and the resolution steps.

Some Background

The RDS farm consisted of two connection broker servers and two session hosts.  The Remote Desktop Connection Broker is configured in HA mode using two DNS records pointing to two broker nodes for round robin. … [Keep reading] “Remote desktop client randomly unable connect to the RDS farm”