https://community.esri.com/t5/arcgis-pro-questions/arcpro-oracle-initial-connection-very-slow/m-p/1124482#M48883 <P>Upon installing ArcPro on a new laptop, I found the initial database connection to Oracle is extremely slow. Once connected and features are visible they load normally, but connecting to a new schema can take over a minute where it used to take 5 seconds. I tried upgrading from ArcPro 2.8 to 2.9 (and upgrading the license manager to 2021.1 to get ArcPro 2.9 to run), but I'm still having the same issue.&nbsp;</P><P>Oracle client is (x64) 12.2.&nbsp; &nbsp;Older computers on the network using Oracle 12.1 (ArcPro 2.8) connect faster, but when I tried rolling back the&nbsp; to Oracle 12.1 on the new computer with ArcPro 2.8 the Oracle connection remained slow. (With ArcPro 2.9 and a Oracle 12.1, there was a database connection error.)</P><P>I've tried connecting using "Add database connection" as well using a previously saved connection string, but both have the same slow connection.</P><P>Appreciate any troubleshooting ideas.&nbsp;</P> Thu, 09 Dec 2021 18:08:58 GMT AaronReisner 2021-12-09T18:08:58Z https://community.esri.com/t5/arcgis-pro-questions/arcpro-oracle-initial-connection-very-slow/m-p/1124482#M48883 <P>Upon installing ArcPro on a new laptop, I found the initial database connection to Oracle is extremely slow. Once connected and features are visible they load normally, but connecting to a new schema can take over a minute where it used to take 5 seconds. I tried upgrading from ArcPro 2.8 to 2.9 (and upgrading the license manager to 2021.1 to get ArcPro 2.9 to run), but I'm still having the same issue.&nbsp;</P><P>Oracle client is (x64) 12.2.&nbsp; &nbsp;Older computers on the network using Oracle 12.1 (ArcPro 2.8) connect faster, but when I tried rolling back the&nbsp; to Oracle 12.1 on the new computer with ArcPro 2.8 the Oracle connection remained slow. (With ArcPro 2.9 and a Oracle 12.1, there was a database connection error.)</P><P>I've tried connecting using "Add database connection" as well using a previously saved connection string, but both have the same slow connection.</P><P>Appreciate any troubleshooting ideas.&nbsp;</P> Thu, 09 Dec 2021 18:08:58 GMT https://community.esri.com/t5/arcgis-pro-questions/arcpro-oracle-initial-connection-very-slow/m-p/1124482#M48883 AaronReisner 2021-12-09T18:08:58Z