During my day to day work as a part of support organization, I work with and help troubleshoot Hybrid Configuration Wizard (HCW) failures. One of the more common causes of HCW failures is the Federat...
Updated May 05, 2025
Version 5.0
Blog Post
10 MIN READ
How to address Federation Trust issues in Hybrid Configuration Wizard (HCW)
Mirela_Buru
Microsoft
MicrosoftYou can also try the Free/Busy test https://testconnectivity.microsoft.com/tests/FreeBusy/input where you put source user and target user SMTP and see if this complains about the same error or different. And you can Private message me the HTML report if same error.