RD gateway Server Settings in Group Policy??

Question

Hi All,

I have setup a RDG server and its working wonderfully well.

I am able to connect to the RDG through RDP client.

I have applied a GPO for the following already as below

1)Set the Remote Desktop Gateway Server Authentication Method - "Ask for the credentials, Use NTLM protocol"
2)Enable Connections Through Remote Desktop Gateway - Enabled
3)Set the Remote Desktop Gateway Server Address - Set gateway server (abcd.domain.com).
when ever users try to connect through RDP client, the setting "automatically detect RD gateway server setting" is checked and they are connecting RD Gateway Server.

To access "abcd.domain.com" RD Gateway server RDP client settings look like below.

1. abcd.domain.com (RD Gateway Server
   2.abcd.domain.com (Remote computer

2nd RD Gateway server name : efgh.domain.com

To access "efgh.domain.com" RD Gateway server RDP client settings look like below.

1.abcd.domain.com (RD Gateway Server)
2.efgh.domain.com (Remote computer

3rd RD Gateway server name : ijkl.domain.com

To access "ijkl.domain.com" RD Gateway server RDP client settings look like below.

1.abcd.domain.com (RD Gateway Server)
2.ijkl.domain.com (Remote computer)

Now my problem is, i have 3 RD Gateway servers (abcd.domain.com, efgh.domain.com, ijkl.domain.com), but in that i have set only one gateway server in group policy (abcd.domain.com), Whenever this gateway server goes down (abcd.domain.com), we are unable to access another two RD gateway servers, because in group policy we have set only one RD Gateway server as "abcd.domain.com", For example if RD Gateway "abcd.domain.com" server down, However still we want to access another two servers without manually changing the RD Gateway servers details by using this "use these RD gateway server settings", Kindly help me on this issue.

Note :- It means how to "Set 3 RD Gateway Servers in Group policy" if one RD Gateway server down and other gateway server we should have access without manually add another gateway server by using this option "use these RD gateway server settings".

Thanks in advance

Answer 1

Hello @Daggumati Gopi

I think you may need to configure high availability for Remote Desktop Gateway.

RDS 2012 – Configuring a RD Gateway Farm
Implement HA for your RDS gateways

Best Regards
Karlie

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Answer 2

Hi Karlie,

Thanks for your help, we dont want high availability, but we have already below 3 RD Gateway servers.

1) abcd.domain.com

2) efgh.domain.com

3) ijkl.domain.com

However i am using the RDP client to access the RD Gateway servers and i have Enabled "Automatically detect RD Gateway server settings" by using the group policy. In group policy i am able to keep only one RD Gateway server "efgh.domain.com", For your reference find attached group policy settings and go through the below link.

https://winintro.ru/ts_gateway.en/html/3e36b1a9-77b9-444f-aa47-4cc4132a2772.htm

whenever this "efgh.domain.com" server goes down, we are unable to access another two RD Gateway servers by using the RDP client,

Note :- how can we access another two servers by using the RDP client and how can we add another two servers in group policy.

Answer 3

Hi.
Maybe this is too late but it could help you out.
FYI... I belive Karlie's answer is the best because the farm is made for achieving what you need (to be able to use a live server if any of the 3 you have goes down).

My 5 cents is this... you may use a technique called DNS Round Robin.
It consist in creating as many A records as hosts you have, with the same name but with a different IP address for each record. This technique applies for both internal DNS server as well as for public DNS records.

Now... the only thing that's not going to work for you with DNS Round Robin, is to tell the client computer which server NOT to use, because this technique IS NOT a balancing mechanism at all. So... let's say you have RDGW-1, RDGW-2 and RDGW-3 servers. In order to set DNS Round Robin, you must create a new set of A records (3 new A records) all with the same name such as RDGW, and point them to internal/external IP address for each of the other records (RDGW-1, RDGW-2 and RDGW-3 in my example).

Again, because DNS Round Robin IS NOT a load balancing solution, client computers will EVENTUALLY change RDGW's IP address to one of the working/replying ones. This means, if RDGW-1 server goes down now (accidentally or because of a scheduled maintenance), a client computer will suffer a delay for rebuilding its internal DNS Table Cache.

What is Round-Robin DNS?