Exchange 2013 Tip – Limitation on receive connector’s IP address list


Exchange 2013 has a 1300-ish limit on the number of allowed IPs we can set in the list (the limit is on the corresponding AD attribute actually). Here are a few tips to workaround this limitation:

  • create another receive connector with remaining IP addresses with the same set of permissions.

You get another 1300 ~ IPs that can be added.

  • consider consolidating those IPs into supernet ranges. There are some good calculators you can use online that will do that for you.

For example instead of

192.168.1.1

192.168.1.2

192.168.1.3

Use 192.168.1.1/30

=> One entry – 3 IPs

Thanks to Akshay Katti (PFE India) and Richard Timmering (PFE US) for these !

Cheers,

Sam.


Comments (1)

  1. Anonymous says:

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