Update on Incoming Email Job Lock Type Change Between SharePoint 2010 and 2013

EDIT: 12/12/2013: The LockJobType in SharePoint 2013 has been changed back to None in the December 2013 CU (http://support.microsoft.com/kb/2837677/en-us), allowing the SharePoint Administrator to run the Incoming Email Service on more than one server!

Update on the change of the SPJobLockType between 2010 and 2013, the SPJobLockType was changed from None to Job due to a specific issue where documents may have been duplicated when there is more than one server processing Incoming Email using MX load balancing. However, Microsoft plans to fix a release for the duplication of documents issue and revert the SharePoint 2013 SPJobLockType back to None in the December 2013 Cumulative Update.

This should restore the ability to use MX load balancing in SharePoint 2013.

Trevor Seward is a Microsoft Office Apps and Services MVP who specializes in SharePoint Server administration, hybrid scenarios, and SharePoint Online. He has been working with SharePoint for 16 years from SharePoint 2003 on up, managing environments with terabytes of content for 150,000+ user organizations. Trevor is an author of Deploying SharePoint 2016 and Deploying SharePoint 2019. You can find him on Twitter and in /r/sharepoint.