Configuring Server-Side IOS
- Access the IOS server machine and stop all the servers and nodes.
 - Open the WebSphere Administrative Console.
 - Navigate to Security > Global Security > User Account Repository section.
 - Select the current Realm Definition(1) then click Configure. Check if there is a valid value for the Primary administrative user name field.
 - If the field is blank, enter a valid value. 
           
This field is required by the administrative security. A sample valid value is an existing username on the current operating system. Note that this is only applicable if the current Realm Definition is set to Local operating system.
 - Click OK and save the changes to the master configuration.
 - Navigate to Security > Global Security. Tick the Enable administrative security checkbox to enable Administrative and Application Security feature.
 - Click the Apply button and save the changes to the master configuration.
 - Navigate to Security > Global Security > RMI/IIOP security > CSIv2 inbound communications.
 - On the CSIv2 Transport Layer section, configure the following values:
           
Entity Value Transport Set it to the SSL-required value SSL Settings Set it to the SSL-required Aliasvalue Client certificate authentication Optional. Enabling this feature will authenticate each client's identity and will only allow connections from clients with saved SSL Signer certificates on the IOS truststore.