Pooled Server not showing up in Connect to Select Server

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mrisen
Posts: 98
Joined: Wed Jul 25, 2012 7:01 pm

Pooled Server not showing up in Connect to Select Server

Post by mrisen »

I can get server pooling to work, but I can't seem to get the server to show up in the "Connect to Select Server" dialog box except on the server itself. Here is my configuration:
  • Windows Server 2008 R2 servers
  • Windows Network Load Balancing (NLB) installed
  • Separate SQL server
  • Install all services on server 1
  • Install only hosting services on server 2
  • Add Server with server 1 to new pool
  • Add Server with server 2 to existing pool
  • Configure NLB, add both servers 1 & 2 to list. Port 8080 only, with virtual IP address
If I start the SoftPro client on server 1, I see server 1 with both server 1 & 2 as instances there.
If I start the SoftPro client on server 2, I don't see server 1, but I can connect to the list via the virtual IP address
If I start the SoftPro client on a another server, I get the same effects as server 2

How do I get Server 1 to show up in the "Connect to Select Server" dialog box?

Thanks!
.Mark
john.morton
Posts: 89
Joined: Wed Nov 16, 2011 11:51 am

Re: Pooled Server not showing up in Connect to Select Server

Post by john.morton »

The "Connect to Select Server" screen uses a UDP broadcast to try and find mid-tiers that are available. The most likely culprit, in my opinion, would be a network device between the client and server that's blocking UDP broadcasts.
mrisen
Posts: 98
Joined: Wed Jul 25, 2012 7:01 pm

Re: Pooled Server not showing up in Connect to Select Server

Post by mrisen »

Ok, that probably has to do with my NLB settings. I simply set NLB to be for port 8080 TCP and UDP. What port(s) do I need to open up for UDP in order to allow it to broadcast? 0?
john.morton
Posts: 89
Joined: Wed Nov 16, 2011 11:51 am

Re: Pooled Server not showing up in Connect to Select Server

Post by john.morton »

I believe the port used for UDP discovery is 3702.
mrisen
Posts: 98
Joined: Wed Jul 25, 2012 7:01 pm

Re: Pooled Server not showing up in Connect to Select Server

Post by mrisen »

Thanks John. This appears to have been a routing issue. Broadcasting was not happening across our internal router. We'll setup a rule to allow broadcasting of UDP port 3702.
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