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prl77
Asked: 2020-12-30 16:32:25 +0800 CST

Disable external access to EAC on Exchange 2016

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I followed the instructions I saw on a dozen pages. Installed [IP Address and Domain Restrictions], edited unspecified clients to Deny, added a single internal IP allow, iisreset. Yet I'm able to reach EAC from outside.

Same instructions on a dozen pages but here is a couple for reference:

exchange

1 Answers

  1. Best Answer

    What the configuration did you configure for unspecified clients? enter image description here

    Did you restart IIS before accessing ECP externally?

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