Which versions of PostgreSQL and spatial types are supported with ArcGIS 10.1 and ArcGIS 10.1 SP1?
Last Published: April 25, 2020
Answer
Beginning with ArcGIS 10.1, all databases used with ArcGIS must be 64-bit. The following ArcGIS, PostgreSQL, spatial type, and operating system combinations are supported:
See the 10.1 system requirements link under Related Information for specific operating system versions that are supported.