Minimum supported database versions
The following versions of PostgreSQL and PostGIS are supported with ArcGIS. The specific versions listed are the minimum minor version supported and certified for each supported major release of PostgreSQL. Newer minor versions are supported, but are not certified.
PostgreSQL 9.4.5 (64 bit)
--PostGIS 2.2
PostgreSQL 9.3.10 (64 bit)
--PostGIS 2.2
PostgreSQL 9.2.14 (64 bit)
--PostGIS 2.1