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Proofpoint, Inc.

Archive connection failing with error “There was a problem connecting to the server” when performing connection test

Situation Archive is not updating email or unable to connect to the server.
Solution This can be due to a number of factors, please check the items below and if the connection is still not successful log a support ticket and an archive engineer will assist.

 

Firewall issue

Make sure your firewall is setup to accept connections on ports 143 and 993 from the following IP Addresses:

  • 34.192.199.2
  • 46.51.173.223
  • 50.19.242.23
  • 52.54.85.198
  • 52.55.243.18
  • 52.202.128.52

IMAP related

  1. Check if the IMAP Service on the Exchange server is running
  2. Check if the IMAP Proxy is active. See steps in article to verify: https://nchrissos.wordpress.com/2017...ange-20132016/