Enable Exchange Calendar Overlays in Sharepoint 2010

Posted: Friday 2 September 2011 by Khalid Ameerodien in Labels: ,
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To set this up we first need to add a Trust for the OWA site of the organisation in question. We can do this by adding the OWA certificate to the Trust relationships in Central administration.

 

The first step in this procedure is to get the Certificate from the OWA site. Run internet explorer as an administrator



Once you have done this navigate to the OWA URL. Once you are on the page you will notice a padlock icon next to the Address in the address bar click the padlock icon and select view certificates.



Once completed you will have a box appear with the relevant certificate information. Select details and click copy to file.



You will receive the following screen click next



Select DER encoded binary X.509 (.CER) then click next

 

Select a filename for your certificate and click next this will save the certificate in the location you provided with the filename. Click next



Click finish.

 

Open Central Administration then click on Security.

Locate Manage Trust and click on it

Click on new



Name the new trust relationship and add the root authority certificate you saved then click on ok.



 

This will create the trust relationship needed between exchange and Sharepoint.

On the sharepoint site now Navigate to the calendar area where you wish to allow this functionality.

In the calendar ribbon select calendar overlay.



Click on new calendar. Under Calendar name type the name of the calendar (usually the users email address) the select the exchange radio box. Also give the calendar a description and also a colour as to make the events easier to identify when viewing them. Type in the OWA address and the exchange web service URL then click find. This will resolve the names needed for this. Click ok



You should now be able to overlay the users calendar over the Sharepoint site calendars.

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