How to verify the OAB and EWS url for the Exchange Online Synchronizer

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Written by Thomas Speekenbrink

Overview

It is possible to locate the OAB and EWS url's which are used for the Exchange Online Synchronizer, using Microsoft Outlook. Follow this guide to find out how this is done.

How to

Start Outlook and set up Outlook for the sync user. In the taskbar you have the Outlook icon, if you hold the CTRL key and do a right click on the Outlook icon you will get a menu as the screenshot below shows.



Select "Test E-mail AutoConfiguration", as this will open the screenshot below. Fill out the E-mail Address and password, and click test.



In "Results", you can find the EWS and OAB urls.

If you get an error message, or no link to the OAB is supplied, it could be due to a setting on the Exchange server. Please contact your (local) Exchange Administrator and they will supply you with the correct URL's.

Glossary

EWS = Exchange Web Services

OAB = Offline Address Book