Unable to connect to port 25 on host server

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This topic contains 3 replies, has 4 voices, and was last updated by tehcamel tehcamel 8 years, 8 months ago.

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    bryon
    Member
    #152650

    [FONT=&quot]I have one Windows 2003 server installed with Microsoft Virtual Server and have a few virtual machines running inside [/FONT][FONT=&quot]Microsoft [/FONT][FONT=&quot]Virtual Server. The virtual machines are able to telnet to port 25 of our mail server but the physical server is unable to telnet to port 25 of our mail server. Any idea how to solve this problem? Thanks in advance
    [/FONT]

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    biggles77
    Spectator
    #211793

    Re: Unable to connect to port 25 on host server

    Is this correct. You have a Windows Server 2003 and are running Virtual Server on it. You have Virtual Servers running in the Virtual Server that is running on the physical Server.

    If not correct, please provide a more accurate description of your setup and configuration of your Server(s). The more info the better you can be assisted in resolving this problem you have.

    tehcamel
    tehcamel
    Moderator
    #356847

    Re: Unable to connect to port 25 on host server

    where is the mail server located?

    what subnets are you using for your hosts?

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    PaulH
    Member
    #294604

    Re: Unable to connect to port 25 on host server

    Tehcamel’s questions should point you in exactly the right direction – the simplest reason I can think of is that your mailserver is a virtual machine and all other VMs can ping it and/or telnet to it, because all your VMs are on one subnet, but your physical machines may be on a different subnet. Is that the case? If not, please describe your setup more, as suggested by Biggles and Tehcamel.

    So your first step is to look at the subnets of the virtual machines, and consider them as one network, then see if you can configure them to be on the same subnet as the physical machine.

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