RemoteApps very slow to open externally

Have RDS set-up in a test environment everything works but when opening Apps from the RD Web Access page externally they are taking about 5 minutes to open and I'm getting a Certificate Revocation Check Error, once first app is opened other apps open instantly.  When opening the same app internally it opens in seconds and no Certificate Revocation Check message.  Here is my set-up:

Windows Server 2012 R2 with RD Connection Broker, Session Host, Web Access and Gateway all installed on the same PC (this is a test environment), this has a NATed external IP address with ports open for TCP 443, 3389 and UDP 3391.  Have a wildcard cert from Godaddy set-up (with intermediate cert imported to the servers cert store) and installed on the RD Connection broker single sign on, Publishing, RD Web Access, RD Gateway.  Bypass RD Gateway server for local addresses has been un ticked.  

My internal and external domain names are different.  

Internal : local.domain.co.uk

External: remote.domain.com

Have Split brain DNS setup internally with external DNS names set-up for remote.domain.com pointing to the external IP address.

Have set-up the RD Gateway Manager with a Local Computer Group with the external DNS name or remote.domain.com and the external IP address, this is a applied to a new Resource Authorization Policy that allows Domain Users and the default ports to connect.

The client is Windows 7 PC with mstsc version 6.3.96 installed and no Windows Firewall or other software that would block the connection.

Want to stop the Cert Revocation error and speed up initial connection time.


July 23rd, 2015 7:18am

I have fixed this issue, it seems there was an RDP cert from my internal CA in the personal cert store of the server.  I deleted this and now it opens apps in about 30 seconds.
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July 23rd, 2015 7:47am

Hi,

Glad to hear that you have found the solution and thank you for sharing with us!

You solution is very beneficial to others who have similar issues.

Please feel free to let us know if there are any further requirements.

Best Regards,

Amy

July 23rd, 2015 10:37pm

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