An unexpected error occurred and your request couldn’t be handled.

An unexpected error occurred and your request couldn’t be handled.

Issue: -

Not able to compose new emails in OWA/Webmail.

Error Message:

While user access the webmail/OWA user getting an error “An unexpected error occurred and your request couldn’t be handled”

Problem Statement:-

Due to the above error message user not able to access mailbox, Calendar, Task and Contacts in webmail.

Resolution: -

1. When I checked the IIS settings in Client access server I found HTTP Redirect option were enabled and unchecked/disabled the option to resolve the issue.

2. Reset the IIS (iisreset /noforce).

3. Check the IIS binding option and make sure "All Assigned IP address" is selected.

 

 Now user able to access the mailbox successfully.

Thanks.