Configuring maintenance mode for R12.

Compared to 11i, enable/disable maintenance mode in R12 has some additional steps. The following set of instructions have to perform for configuring maintenance mode in R12 perfectly.

1. Schedule a downtime using OAM
2. Shutdown all the application processes
3. Run adadmin and switch the system to maintenance mode
4. Run the script:
txkrun.pl -script=ChangeApacheMode -contextfile=[Path to the ContextFile] -mode=Restrict
5. Start Oracle HTTP Server and oacore OC4J should you need to monitor the system . From now on, all access to e-biz will be redirected to the downtime page.

Once the maintenance is complete, switch the system back to normal mode

1. Run the script:
txkrun.pl -script=ChangeApacheMode -contextfile=[Path to the ContextFile] -mode=Normal
2. Run adadmin and switch the system to normal mode.
3. Restart oacore oc4j and start all other processes.

You may also refer to Article ID 291901.1


Cheers!!!

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