Windows 2003 Server SP1 Blocking Internet Access

Discussion in 'Windows Networking' started by Alan van der Vyver, Jun 16, 2005.

  1. Hi!

    I installed Windows 2003 Server SP1 onto a machine running a
    non-Microsoft mail server. Everything seemed fine, except that the mail
    server was inaccessible from the Internet. As we needed a quick
    resolution, we removed the service pack.

    Yesterday I installed the service pack on a machine runing a
    non-Microsoft FTP server and a few IIS web sites. Everything appeared to
    work fine from within our network, but again, nothing was accessible
    from the Internet.

    No other configuration changes had been made and I checked that the
    Windows firewall was off. As there is no obvious cause of this I don't
    know where to look to resolve it, so I again uninstalled service pack 1
    and everything worked fine again.

    I really would like to know what the problem is or what configuration
    needs to change, so I can keep the machines up to date. I expect it is
    something trivial and obvious, but I don't know what it is and I can't
    find any other references to the problem.

    Any suggestions would be appreciated.

    Alan van der Vyver, Jun 16, 2005
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  2. Alan van der Vyver

    Mikey_N Guest

    Just guessing - check the web service extensions settings in IIS. Your
    applications may be using libraries or script files that are prohibited by
    default, and perhaps the SP reset those settings....


    Feel free to contact me with any questions or concerns.

    MN @ Hzn
    212-480-7000 x17
    Mikey_N, Jun 17, 2005
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