NLB and Windows Firewall

| | Comments (2)

Well it seems that yes, you can in fact run windows firewall on boxes running NLB. This is presuming that your NLB is setup correctly. After logging a call to Microsoft (and talking to someone who had never setup NLB before - grrr) I eventually rebuilt my test boxes from scratch and setup NLB in the prescribed way, as opposed to copying what we have in production. Turns out our production servers are incorrectly setup too. Which is surprising because they *work*, and have done for years, and Luc set them up based on the way servers are setup for the entire organisation (!)

So anyways.

Next week we'll be reconfiguring the production servers, and then will try enabling the firewall on them again...


ramkumar said:


Could you please expand on how you did this? I cant work out how to have windows firewall on AND run NLB.


November 9, 2009 2:33 PM


Kazza the Blank One said:

heh, I have no idea anymore.. (and I don't even work there anymore) .. I know that there were all sorts of ugly issues, and microsoft recommended against doing it .. it was even uglier with domain controllers, so don't think we ever set it up for them..

November 9, 2009 9:08 PM


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IT geek, originally from Sydney, moved to Canberra in 2007. Married to "the sweetie", aka Stu. Prolific photographer, Lego junkie and tropical fish keeper.

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