Summary
This article provides solution to an error message while creating mailbox users via MachPanel where provider "Microsoft Exchange Server 2010" is in use.
Applied to
This article applies to Machpanel build v7 and above
Error Message
Create New Mailbox(Set Mailbox): Unable to index into an object of type Microsoft.Exchange.Data.Directory.SystemConfiguration.Throttling Policy. IP= x.x.x.x.
This issue exists due to missing Throttling Policy handling in Exchange server 2010.
Solution:
Edit mailbox template, and change Throttling Policy from "NoPolicy" to another "Policy" that exists on backend Exchange Server 2010.