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Windows Thread, Exchange 2003 - no external email - urgent in Technical; yes one of our isa's is our web proxy, swgfl said they could find no errors on their end when ...
  1. #31
    kevbaz's Avatar
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    yes one of our isa's is our web proxy, swgfl said they could find no errors on their end when they tested earlier.

    how do i go about creating an allow rule?

  2. #32

    elsiegee40's Avatar
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    It is unlikely to be your problem as I'm sure you've actually checked, but I wasted an hour on Monday because a CAT5 cable wasn't plugged into the back of a PC...

    A(nother) visual check that everything is plugged into what's it's supposed to be plugged into may be worthwhile.

  3. #33
    kevbaz's Avatar
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    checked checked and checked again everyhtign is as it should be

  4. #34
    mrmontymick's Avatar
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    Quote Originally Posted by kevbaz View Post
    checked checked and checked again everyhtign is as it should be
    Can you just confirm your version of ISA.... I think you said 2003 earlier but from memory ISA comes in 2000, 2004, 2006 versions and then Forefront TMG is replacing it later this year.

  5. #35
    kevbaz's Avatar
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    yeah sorry its isa 2006

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    mrmontymick's Avatar
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    Quote Originally Posted by kevbaz View Post
    yeah sorry its isa 2006
    If you go into ISA Server Management Console and right click on "Firewall Policy" and then New -> Access rule you will bring up the appropriate wizard.

    Give it a name such as TEST ALLOW ALL and click next

    Select "Allow" and click next

    Under "This Rule Applies to...." select "All Protocols" and click next

    Select Access Rule source as "Internal" - click next
    Select Access Rule destination as "External" click next

    Click this rule applies to "Everyone" - or "All Users" - Can't remember which one of these it is. - Or you can specify your Exchange server and Web server by computer name.

    Then click finish. Now do the same again but have Access rule source as "external" and access rule destination as "internal"

    Make sure both rules are at the top of your firewall rules list and click apply changes at the top of the ISA page - wait a couple of minutes for it to update and then try your exchange and web access.

    * Sorry if the instructions are slightly vague I don't have an ISA server in the building I'm in at the moment. It is hopefully close enough to make sense!

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    kevbaz (2nd July 2009)

  8. #37
    kevbaz's Avatar
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    ok ive done the above, but as we have 2 isa's one in one out, ive applied them accordingly.

    how long do you normally have to wait for it to refresh?

  9. #38
    kevbaz's Avatar
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    15mins gone and still no change.

    ive rang swgfl again and they are now also looking into it, im hoping its just something their end....

  10. #39
    kevbaz's Avatar
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    is it possible one of the isa servers is in shutdown mode?

    my outbound isa has wspsrv.exe running but my inbound one doesnt, but according to services all firewall services are running?

  11. #40
    mrmontymick's Avatar
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    Quote Originally Posted by kevbaz View Post
    is it possible one of the isa servers is in shutdown mode?

    my outbound isa has wspsrv.exe running but my inbound one doesnt, but according to services all firewall services are running?
    Yes, I would think that's an issue, from memory I think if it's not working then the ISA server drops to the default DENY ALL state.

    Does the Microsoft Firewall server definately show as running in services?

    What happens if you try and start it manually from a CMD box:

    net start fwsrv

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    kevbaz (2nd July 2009)

  13. #41
    kevbaz's Avatar
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    Issue is now resolved, turns out on one of the isa servers the default gateway had been changed to an incorrect address on one of its lan cards!.....

    who did it and why is what im trying to acertain now....


    thank you all ever so much for your help

  14. #42
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    I would suggest not making too many changes and definately documenting changes you do make, don't want to make things worse.

    In my 6 years of using Exchange (2000/2003) whenever we've run into problems, every time, it has not been us. Always the ISP.

    Have you raised a support ticket with them? They may know of some issue.

  15. #43
    mrmontymick's Avatar
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    Quote Originally Posted by kevbaz View Post
    Issue is now resolved, turns out on one of the isa servers the default gateway had been changed to an incorrect address on one of its lan cards!.....

    who did it and why is what im trying to acertain now....


    thank you all ever so much for your help
    Don't forget to look back at this thread and undo any test changes we have made. Particularly the ALLOW ALL rule on the ISA server - that must be taken back off or you are leaving yourself wide open.

  16. #44
    kevbaz's Avatar
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    yep thats all done, all the settings are back to as they were.


    who reconfigured the lan card noone knows...

  17. #45
    mrmontymick's Avatar
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    Quote Originally Posted by kevbaz View Post
    yep thats all done, all the settings are back to as they were.


    who reconfigured the lan card noone knows...

    I'm glad it's all working

    If you ever find the lan card changer do feel free to take them out the back and beat them with a big stick - I might even pop over and help out...

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