I have researched as much as I can think to do and am stuck trying to get a telnet connection working between two windows 2008 servers.
An application on Server A needs to make a connection to Server B via port 1433 (ms sql). I have verified that Server B has it's firewall open and is accepting connections on port 1433 as I can telnet to Server B on port 1433 from 3 different servers.
The problem is I still can not telnet from Server A. I assumed this is because of a software or hardware firewall.
To troubleshoot I have ensured that the control panel firewall is off AS WELL AS the advanced firewall. I have also just flat stopped the Windows Firewall service on this computer. No combination allows me to telnet on port 1433. I always receive the same error:
C:\>telnet YY.XX.XYX.XY 1433 Connecting To YY.XX.XYX.XY...Could not open connection to the host, on port 1433 : Connect failed
I have badgered the dedicated hosting provider for Server A and they insist that there isn't a router or any other piece of hardware that would prevent outbound 1433 traffic.
Who's lying to me? My Windows server? The hosting company?
Any ideas would be so greatly appreciated!