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Thread: Outlook/exchange via vpn

  1. #1
    rudy carroll Guest

    Outlook/exchange via vpn

    Hey, hey.

    For the past year I've been having all sorts of problems getting
    outlook to connect to exchange via a pptp vpn. This isn't on just one
    set-up either. On many, many diferent configurations of sbs 2000, sbs
    2003. The problem normally goes like this...

    Remote machine connects to vpn, can see network shares by ip address
    but not by name - as a resuly can't see exchange server. Ok, you say.
    Easily fixed by editing LMHOSTS. Not always so. Sometimes that has no
    effect although normally solves the problem after a while.

    The problem I have now is that the remote machine can see the network
    easily. All names are efficiently resolved to ips by the DNS on the
    server, however Outlook can't see exchange still. Also SQL server
    traffic won't flow. Outlook express can see the exchange imap server
    by ip but not by name - but everything else is happy with names.

    I would so like to get this sorted out once and for all.

    All suggestions gratefully received

    Ta.

  2. #2
    Brian O'Neil Guest
    First thing I would do is implement WINS to avoid having LMHOST files out
    there. If you're using the Windows RAS Server it should pull this information
    from your DHCP scope if you have populated it there. That will eliminate 99%
    of your remote name resolution problems.

    In outlook, have you tried entering in the FQDN of the Exchange server? That
    will force outlook to try DNS name resolution.

    -Brian

    "rudy carroll" wrote:

    Hey, hey.

    For the past year I've been having all sorts of problems getting
    outlook to connect to exchange via a pptp vpn. This isn't on just one
    set-up either. On many, many diferent configurations of sbs 2000, sbs
    2003. The problem normally goes like this...

    Remote machine connects to vpn, can see network shares by ip address
    but not by name - as a resuly can't see exchange server. Ok, you say.
    Easily fixed by editing LMHOSTS. Not always so. Sometimes that has no
    effect although normally solves the problem after a while.

    The problem I have now is that the remote machine can see the network
    easily. All names are efficiently resolved to ips by the DNS on the
    server, however Outlook can't see exchange still. Also SQL server
    traffic won't flow. Outlook express can see the exchange imap server
    by ip but not by name - but everything else is happy with names.

    I would so like to get this sorted out once and for all.

    All suggestions gratefully received

    Ta.

  3. #3
    Guest
    Unfortunately WINS was having no luck, that's why I resorted to
    LMHOSTS. Outlook is pointing at the FQDN and has no problem within the
    physical network, via dial-up and vpn, via via a 3G mobile datacard and
    VPN, via isdn and vpn... the list is endless.

    I also know that the router (netgear dg834g) works fine with other
    laptops.

    It's a problem that happens often but never quite in this fashion with
    the names apparantly being resolved by everything but exchange (and
    SQL)

    Ugh.


    Brian O'Neil wrote:
    First thing I would do is implement WINS to avoid having LMHOST files
    out
    there. If you're using the Windows RAS Server it should pull this
    information
    from your DHCP scope if you have populated it there. That will
    eliminate 99%
    of your remote name resolution problems.

    In outlook, have you tried entering in the FQDN of the Exchange
    server? That
    will force outlook to try DNS name resolution.

    -Brian

    "rudy carroll" wrote:

    Hey, hey.

    For the past year I've been having all sorts of problems getting
    outlook to connect to exchange via a pptp vpn. This isn't on just
    one
    set-up either. On many, many diferent configurations of sbs 2000,
    sbs
    2003. The problem normally goes like this...

    Remote machine connects to vpn, can see network shares by ip
    address
    but not by name - as a resuly can't see exchange server. Ok, you
    say.
    Easily fixed by editing LMHOSTS. Not always so. Sometimes that has
    no
    effect although normally solves the problem after a while.

    The problem I have now is that the remote machine can see the
    network
    easily. All names are efficiently resolved to ips by the DNS on the
    server, however Outlook can't see exchange still. Also SQL server
    traffic won't flow. Outlook express can see the exchange imap
    server
    by ip but not by name - but everything else is happy with names.

    I would so like to get this sorted out once and for all.

    All suggestions gratefully received

    Ta.

  4. #4
    Andrew Guest
    check your companies forewall, ensure that NAT is working correctly coming
    back out.

    "google@westbourne.demon.co.uk" wrote:

    Unfortunately WINS was having no luck, that's why I resorted to
    LMHOSTS. Outlook is pointing at the FQDN and has no problem within the
    physical network, via dial-up and vpn, via via a 3G mobile datacard and
    VPN, via isdn and vpn... the list is endless.

    I also know that the router (netgear dg834g) works fine with other
    laptops.

    It's a problem that happens often but never quite in this fashion with
    the names apparantly being resolved by everything but exchange (and
    SQL)

    Ugh.


    Brian O'Neil wrote:
    First thing I would do is implement WINS to avoid having LMHOST files
    out
    there. If you're using the Windows RAS Server it should pull this
    information
    from your DHCP scope if you have populated it there. That will
    eliminate 99%
    of your remote name resolution problems.

    In outlook, have you tried entering in the FQDN of the Exchange
    server? That
    will force outlook to try DNS name resolution.

    -Brian

    "rudy carroll" wrote:

    Hey, hey.

    For the past year I've been having all sorts of problems getting
    outlook to connect to exchange via a pptp vpn. This isn't on just
    one
    set-up either. On many, many diferent configurations of sbs 2000,
    sbs
    2003. The problem normally goes like this...

    Remote machine connects to vpn, can see network shares by ip
    address
    but not by name - as a resuly can't see exchange server. Ok, you
    say.
    Easily fixed by editing LMHOSTS. Not always so. Sometimes that has
    no
    effect although normally solves the problem after a while.

    The problem I have now is that the remote machine can see the
    network
    easily. All names are efficiently resolved to ips by the DNS on the
    server, however Outlook can't see exchange still. Also SQL server
    traffic won't flow. Outlook express can see the exchange imap
    server
    by ip but not by name - but everything else is happy with names.

    I would so like to get this sorted out once and for all.

    All suggestions gratefully received

    Ta.


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