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RDS High Availability Configuration

Posted on 2016-10-20
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Last Modified: 2016-11-05
I am getting an error trying to configure high availability.  Here is the environment:

DC - DC01
Member server - SRV01
Both servers 2012 R2
License server on DC01, broker, session host, web, and gateway all on SRV01
cert configured for gateway.<domain>.com
DNS zone for above set up with entry for both servers
Installed SQL Se3rver 2012 named MSSQLSERVER

When configuring high availability, I use

DRIVER=SQL Server Native Client 11.0;SERVER=DC01;Trusted_Connection=Yes;APP=Remote Desktop Services Connection Broker;Database=MSSQLSERVER
C:\Program Files\Microsoft SQL Server\MSSQL11.MSSQLSERVER\MSSQL\DATA
gateway.<domain<.com

I get an error window which I have attached.

I also created a security group that contains both computer accounts as members, and added it to SQL logons with dbcreate.

Windows firewall opened on 1443 on both servers as well as sql program.

Please help as I have found nothing that helps online
Capture.PNG
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Question by:lmheimendinger
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LVL 16

Expert Comment

by:Michael Ortega
ID: 41853206
What are you trying to make highly available exactly? Session Host? Broker?

MO
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Author Comment

by:lmheimendinger
ID: 41853207
Connection Broker
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LVL 16

Expert Comment

by:Michael Ortega
ID: 41853239
Connection Broker on your AD Server as well (DC01)? At any rate, in a small environment I would recommend DNS round robin instead. What's the load? How many users? How many total session hosts?

MO
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Author Comment

by:lmheimendinger
ID: 41853665
Maybe I should restate the problem and my question.  I get an error trying to configure high availability not in using it.  It seems that the connection string isn't doing what it is supposed to, or conversely something it refers to is amiss.

Let me emphasize that I installed SQL Server 2012 on both servers, but I am configuring HA on the domain controller.  Both servers have the same security group (RD Brokers in my case) with a logon and dbcrete privilege.  Both have MSQLSERVER as the SQL instance name.  RD Brokers has both server accounts as members.

I played with the wizard a bit, and if in the connection string I replace the domain controller name with the member server name, where all but the license server role is installed, I get past this error and move on to the next step.  But most every walk through I have seen illustrates using the DC as the server.  And BTW, creating the database fails in the final step altered as in the previous sentence.

 Does it matter on which server the database resides?  I might logically think it was required on the broker role server, the non-DC one, but I find it not explicitly described that way, but implicitly described in just the opposite fashion, Even if I were speechifying the incorrect server, why does that one work and not the other one?  Why does the database fail to create?  Is there file privileges I need to provide other than dbcreate in the logon item?

Very frustrating to see the paucity of error information to track this down.  Are there logs somewhere that would help? Where are they?
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LVL 16

Expert Comment

by:Michael Ortega
ID: 41853811
I'm not sure you can setup and use RDS roles (other than licensing) on a ADDS server since 2012. That might be part of your problem. I'm pretty sure it's not supported by Microsoft.

MO
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Accepted Solution

by:
lmheimendinger earned 0 total points
ID: 41853869
Much documentation says the opposite, including .documentation.  But then again, do you have specific recommendations on what to do as an alternative?  I am interested in fixing this and not being too philosophical.
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Author Closing Comment

by:lmheimendinger
ID: 41875278
fixed
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