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Divvy's avatar
Divvy
Copper Contributor
Jan 18, 2023
Solved

Exchange EWS requests getting proxied to offline server

Hi everyone,   We are in the process of decommissioning our Exchange 2013 servers in a Hybrid environment with Exchange 2016 and Exchange 2013 coexistence. All servers running the latest or second ...
2013
2016
Exchange Server
hybrid
  • Divvy's avatar
    Divvy
    Jan 24, 2023
    The solution for us was to add the X-AnchorMailbox header to the API call being made to Exchange EWS. After that the application requests are no longer getting proxied.

    Ref:
    https://learn.microsoft.com/en-us/archive/blogs/webdav_101/best-practices-ews-authentication-and-access-issues
Divvy's avatar
Divvy
Copper Contributor
Jan 24, 2023
The solution for us was to add the X-AnchorMailbox header to the API call being made to Exchange EWS. After that the application requests are no longer getting proxied.

Ref:
https://learn.microsoft.com/en-us/archive/blogs/webdav_101/best-practices-ews-authentication-and-access-issues