When making any of the following configuration changes, restarting the server is required for the changes to take effect:
Changing JVM options
Changing port numbers
Managing HTTP, IIOP, and JMS services
Managing thread pools
For instructions, see Restarting the Domain.
When making any of the following configuration changes, if dynamic configuration is enabled, restarting the server is NOT required for the changes to take effect:
Deploying and undeploying applications
Adding or removing JDBC, JMS, and Connector resources and pools
Changing logging levels
Adding file realm users
Changing monitoring levels
Enabling and disabling resources and applications
Note that the asadmin reconfig command has been deprecated and is no longer necessary. Configuration changes are applied to the server dynamically.