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Plugin allows a super admin to put his/her entire network, main site, or subsites into maintenance mode.
Screenshots

Site maintenance message
Plugin Details
Active Installs
20Total Downloads
15,778Version
1.0.3Requires WP
3.0Requires PHP
—Tested Up To
3.4.2Added
2011-10-31Last Updated
2012-08-27 6:19pm GMTRatings
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