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Issues with dual server install

Hello All,

I am stuck after trying just about everything i have found on the topic. I Currently have the following setup that I am attempting to install SQL Monitor 3 on:

Web Server with IIS7
SQL Server 2012 Server

I am a domain admin on both servers. Both servers are also under the same domain. I was able to install the base monitor on the sql server machine. I have verified that my account has full control over the folders specified in the installation documentation.

Base monitor installed successfully, i went into the services manager on the sql server and set the base monitor to run under my account, and made sure it is running.

On the web server i installed the software setup the application in IIS and set the application pool to run under my account as well. when i load the monitor webpage regardless of whether or not i access it through localhost or the ip address. It asks me to connect to the base monitor server. I have put in the name and port trying both the ip address and the domain name along with the default port the base monitor setup for me. I looked at the firewall settings on the base monitor server and created a rule to open that port allowing all connections for right now just to try to get past this, yet still no matter what i do i always end up with the following error:

A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 10.1.1.1:7399

If anyone can help me get past this error it would be much appreciated.

Thanks,
JT++

Not sure if its important or not but just as a side note: running command prompt as admin from each of the servers i am able to ping the other by using the domain name and the ip address
john.trumbul
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  • Brian Donahue
    Hello,

    The connection between the webservice and the base monitor uses .NET remoting, so in addition to firewalls blocking port 7399 and/or the SOAP (protocol), it could be a problem traversing a NAT interface. Remoting does not play well with NAT because AFAIK it has to make a connection back to the caller and NAT usually only allows this communication one-way.

    If you're using a virtual machine for the base monitor, you may want to use connection sharing rather than NAT.
    Brian Donahue
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  • john.trumbul
    Hello Brian,

    Thank you for your assistance. What the issue ended up being was an improperly configured firewall rule on my end. I essentially reversed the order of the local and remote port values. Once i fixed them the monitor connected just fine.

    Thanks again.
    John
    john.trumbul
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  • Brian Donahue
    Hi John,

    Thanks for the follow-up -- I suppose that a firewall needs to have the connection allowed both ways for the same reason it doesn't work well with NAT.
    Brian Donahue
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