I want to create new mail account programmatically using Exchange web services. In 2010 it's not supported. We are going to work on 2013 Exchange.
Reference:
I want to create new mail account programmatically using Exchange web services. In 2010 it's not supported. We are going to work on 2013 Exchange.
Reference:
EWS doesn't have the ability to create mailboxes. In order to create mailboxes, you need to use the Exchange Management Shell's New-Mailbox cmdlet.
EDIT
You can invoke cmdlets from C#. See this MSDN link.