Administrator's Guide

3. Power off the messaging system enclosure by pressing and holding down the power button
located on the back of the enclosure.
4. Disconnect the power cables (optional).
5. To power on the server blades and system, reconnect the power cables and power on the
components in the following order:
• Expansion disk enclosures
• System enclosure
• Server blades, if necessary (typically they start up when the enclosure is powered on)
68 Upgrading the messaging system