Are you using certificates to secure your RDP sessions? If so, you'll need a 
certificate on Server2 that has the name FriendlyName1.

I was running a pilot farm of Server 2008 R2 RDS servers. The servers were 
divvied up into silos, and each silo had multiple A records pointing to the 
servers in that silo. For example:

Rd1 10.0.0.1
Rd1 10.0.0.2
Rd1 10.0.0.3

Rd2 10.0.0.4
Rd2 10.0.0.5

Etc

The servers in silo "rd1" had certificates with the name rd1, the servers in 
rd2 had a cert named rd2, etc. I remember configuring the RDweb server to build 
RPD connections based on the rdX names. The pilot didn't work out, so the farm 
is long gone. I can't go check the details.


Ken Cornetet 812.482.8499
To err is human - to moo, bovine.

From: David Lum [mailto:[email protected]]
Sent: Thursday, March 03, 2011 5:51 PM
To: NT System Admin Issues
Subject: Connecting via DNS alias..in a loop, sorta

I have an RDS server that I want users to RDP to from RDWeb. From VPN or local 
machine they can RDP just fine, and from the RDWeb (where there is an icon TO 
the RDP app) they can connect to the HOSTNAME (Server2) but when trying to 
connect to Server2 via a DNS Alias (FriendlyName1) the message is "access 
denied"

I'm thinking it's a security thing to prevent spoofing.

The Setup
RDWeb server / gateway = Server1
RDAppServer1 = Server2
FriendlyName1 DNS Alias pointing to Server2

In essence they are trying to RDP to Server2 from the RDP application published 
from Server2 but using the alias instead of hostname fails.

Clear as mud?
David Lum // SYSTEMS ENGINEER
NORTHWEST EVALUATION ASSOCIATION
(Desk) 503.548.5229 // (Cell) 503.267.9764


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