Internet Explorer Stops Randomly when using TMG als proxy or Error 502 The number of HTTP requests per minute exceeded the configured limit.

Some users report that Internet stops Randomly. After investing i say the following error:

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On the TMG Management server I saw also the The number of HTTP requests per minute exceeded the configured limit.

Solution:

1. Open TMG Management Console

2. Go Intrusion Prevention System

3. Flood Mitigation

4. Click on the Edit button: The number of HTTP requests per minute exceeded the configured limit

Default = 600 I configured = 3000