Verify the global.properties file located in $SYBASE/EAServer/Repository/WebApplication/onepage/config is pointing to the newly updated portal database.
Verify the epstudio.xml parameter in the global.properties file is set to true.
Manually update security.properties which is located in $SYBASE/EAServer/java/classes/com/sybase/ep/security.
EaserverRolemap.epdefault_3.epdn=rl\=PortalGuest,o\=sybase,c\=us EaserverRolemap.epdefault_3.jagrole=PortalGuest