Recommended versions of z/Server for Enterprise Developer

The following table shows the versions of z/Server delivered with the different Enterprise Developer releases. These are also the recommended version of z/Server to use with a particular Enterprise Developer release.

Enterprise Developer Version	z/Server Version	Date Released
2.1	z/Server V2R0M06 and V2R0M07 (including performance testing)	October 2012
2.1.1	z/Server V2R0M07	April 2013
2.2	z/Server V2R2M00	October 2013
2.2 Update 1	z/Server V2R2M02	May 2014
2.3	z/Server V2R3	September 2015
2.3 Update 1	z/Server V2R3M01	March 2016
3.0	z/Server V3R0	June 2017
4.0	z/Server V4R0	June 2018

Important: An Enterprise Developer client can communicate with a version of z/Server from the same delivery or newer, but not vice versa. For example, an Enterprise Developer 2.3 client can communicate with z/Server delivered with Enterprise Developer 2.3, 2.3 Update 1, 3.0, or 4.0.