Adding a Second Network Adapter for Server Publishing in ISA/TMG

In the last few weeks we have seen a number of cases where TMG was being used in a Single Network Adapter Configuration. This is a very common scenario for forward proxy and reverse publishing of web protocols (HTTP, HTTPS). It does not work, however, for server publishing of non-web protocols such as POP, SMTP,…

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Troubleshooting Errors in the TMG Management Console

Troubleshooting errors found in the user interface of the TMG Management console can be confusing and tricky. These issues are seen most often in a scenario where there are multiple TMG Servers in an array. The array may be a Standalone Array where one of the TMG Servers is the Manager (it holds the policy…

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Clients Are Not Prompted to Choose a Certificate When Authenticating to ISA/TMG

  Recently I have been seeing an increasing number of cases with the same symptom especially in the military and the government sector and even in contractors for the government. In these highly secure environments clients largely rely on the use of a “smart” card known as Common Access Cards (CAC) for authentication to their…

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