https://community.esri.com/t5/arcgis-enterprise-questions/oracle-database-resident-connection-pooling-drcp/m-p/1676051#M43648 <P>Hello Esri Community,</P><P>I would like to check if anyone has experience or official guidance regarding the use of <STRONG>Oracle Database Resident Connection Pooling (DRCP)</STRONG> with <STRONG>ArcGIS Enterprise 11.3</STRONG>.</P><P>From Oracle documentation, DRCP has been available since Oracle Database 11g Release 2 and is designed to reduce database session overhead for applications with many short-lived connections. However, in Esri documentation and supported environment, I could not find any explicit reference to DRCP being supported, unsupported, or tested with ArcGIS Enterprise.</P><P>My questions are:</P><OL><LI><P>Has DRCP been officially tested or validated with ArcGIS Enterprise (11.x or earlier versions)?</P></LI><LI><P>Are there any known issues, limitations, or risks when using DRCP with ArcGIS Server / Portal /ArcGIS Pro connecting to Oracle?<BR /><BR /></P></LI></OL><P>Any official clarification, best practices, or real-world experience would be highly appreciated.</P><P>&nbsp;</P> Tue, 06 Jan 2026 10:27:27 GMT ReZai2021 2026-01-06T10:27:27Z https://community.esri.com/t5/arcgis-enterprise-questions/oracle-database-resident-connection-pooling-drcp/m-p/1676051#M43648 <P>Hello Esri Community,</P><P>I would like to check if anyone has experience or official guidance regarding the use of <STRONG>Oracle Database Resident Connection Pooling (DRCP)</STRONG> with <STRONG>ArcGIS Enterprise 11.3</STRONG>.</P><P>From Oracle documentation, DRCP has been available since Oracle Database 11g Release 2 and is designed to reduce database session overhead for applications with many short-lived connections. However, in Esri documentation and supported environment, I could not find any explicit reference to DRCP being supported, unsupported, or tested with ArcGIS Enterprise.</P><P>My questions are:</P><OL><LI><P>Has DRCP been officially tested or validated with ArcGIS Enterprise (11.x or earlier versions)?</P></LI><LI><P>Are there any known issues, limitations, or risks when using DRCP with ArcGIS Server / Portal /ArcGIS Pro connecting to Oracle?<BR /><BR /></P></LI></OL><P>Any official clarification, best practices, or real-world experience would be highly appreciated.</P><P>&nbsp;</P> Tue, 06 Jan 2026 10:27:27 GMT https://community.esri.com/t5/arcgis-enterprise-questions/oracle-database-resident-connection-pooling-drcp/m-p/1676051#M43648 ReZai2021 2026-01-06T10:27:27Z