Forum Discussion

Copper Contributor

Feb 20, 2024

unable to login to ECP from Exchange server 2016 getting Authentication error

I am unable to login into ECP getting Authentication error. I have checked all the possible troubleshooting. And finally did the restore for Exchange server. It works for some time but again getting ...

Active Directory (AD)

Exchange Server

LeonPavesic

Silver Contributor

Feb 21, 2024

Hi MNasir22,

try to use this article for troubleshooting your issue:

OWA or ECP stops working after you install a security update - Exchange | Microsoft Learn

Please click Mark as Best Response & Like if my post helped you to solve your issue.
This will help others to find the correct solution easily. It also closes the item.

If the post was useful in other ways, please consider giving it Like.

Kindest regards,

Leon Pavesic
(LinkedIn)
(Twitter)