A timeout (30000 milliseconds) was reached while waiting for a transaction response from the termservice service.

A few posts about this one, can have a variety of fixes – in the instance I came across (environment : xenapp 6.5 servers, bare metal). Seen this issue caused by a xenapp 6.5 to 6.5 farm migration. Post migration systems would hang from time to time, users couldn’t connect via ICA / RDP. A […]