Increase the max pool size:
The default values for all Identity Manager connection pools is min=50, max 200.
Ensure that all datasources' connection pools are configured for at least min=50, max=200 connections. If you continue getting that same errors you can increase max value further, as needed. On busy systems we have seen customers set max=700 or more.
The connection pool settings are available in the Weblogic management console.
- Open the WebLogic Server Console
- Go to and select the datasource that you want to change the pool size of
- Go to
- Change the Maximum Capacity to the count required for your environment