**Editorial Note: This one looks like something more substantial for a software upgrade. Note the estimated 4 hour estimated service impact.

BBCHG34475 Critical-S1 Severity Maintenance (New) for BlackBerry All Provisioning service for subscribers of *The Americas Network (MULT)
This message is to inform you of scheduled network maintenance.
Maintenance Summary: BlackBerry Provisioning System -- software update

Impact: BlackBerry subscribers may be unable to register their
device or receive new service books during the maintenance.
BlackBerry Connect and BlackBerry-enabled devices that require a new PIN may be unable to receive the PIN.

BlackBerry Internet Service subscribers may be unable to use the BlackBerry Internet Service web site or perform activities such as creating new accounts, accessing their Internet mailbox, integrating third-party email accounts, or viewing email attachments during the maintenance.

Wireless service providers and device resellers may be unable to use BlackBerry administration web sites or perform activities such as creating subscriber accounts or provisioning services for subscribers during the maintenance.
Ticket Number: BBCHG34475

" Change Window Start Date and Time: 12 October 2008 02:00:00 (EDT)
" Change Window End Date and Time: 12 October 2008 06:00:00 (EDT)
" Estimated Duration of Service Impact: 4 hour(s) and 0 minute(s)
" % of Subscribers Affected: 100.00 (estimated)
Purpose: RIM Software Upgrade