Action Plan for EM Console or Admin Url Taking LongTime to load pages or Switch Pages

Navigate to :DOMAIN_HOME/BIN

(Example:C:\Oracle\Middleware\user_projects\domains\base_domain\bin)

• Edit - for windows setDomainEnv.cmd  for linux setDomainEnv.cmd

•Search for the following string - set JAVA_OPTIONS=%JAVA_OPTIONS%
%JAVA_PROPERTIES% -Dwlw.iterativeDev=%iterativeDevFlag%
-Dwlw.testConsole=%testConsoleFlag%
-Dwlw.logErrorsToConsole=%logErrorsToConsoleFlag

• Append -DchangeSessionIdOnAuthentication=false to the string

-Dwlw.iterativeDev=%iterativeDevFlag%
-Dwlw.testConsole=%testConsoleFlag%
-Dwlw.logErrorsToConsole=%logErrorsToConsoleFlag%
-DchangeSessionIdOnAuthentication=false

• Restart all managed servers on this machine including the Admin server.

I have found an Oracle note that explain this issue.