I am currently running ISA through a leased ISDN line. I have the ISP's DNS address on the external NIC, and my internal DNS server's IP on the internal NIC. I am able to get out to the web, but after about 45 minutes or so, ISA is not able to resolve internet addresses. I have found that if I enter the internal DNS server into the external NIC that it temporarily fixes the issue. Then I must go back and re-enter the original DNS address of the ISP, and back and forth and so on.....Any ideas would be helpful, Thx
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I am currently running ISA through
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