Knowledge BaseActivesync error from application log, Event ID: 3005
W P Staff asked 6 years ago

Getting an error in application log:

Unexpected Exchange mailbox Server error: Server: [server.domain.com] User: [users@hoha.com] HTTP status code: [400]. Verify that the Exchange mailbox Server is working correctly.

1 Answers
W P Staff answered 6 years ago

Adding a IP Address, TCP Port, Host header value identity entry with the host header left blank, that is (Default, 80,<empty>) under the IP Address Advanced section for the Default Web Site properties of IIS server will get rid of this error.