FamousRuler, Your steps are correct, to be safe you can also depress the power button while the ac is unplugged to drain the systems flea power as well. Is there something (error, amber light) telling you the battery has failed, why are you replacing the battery? Let me know how it goes.
Hi, quick question.. I'm about to change the controller battery. I just want to double check this.. - Grecefullyt shutdown the server (windows 2008) - Unplug power cord -open up server and replace battery -plug in power cord and power up server The RAID config won't break replacing battery using steps above right?.  Thanks
replacing controller battery