UNC file shares, 422, 423
understanding Exchange Server messaging roles, 21-22
Understanding How Exchange Routes Messages, 15-16
Understanding How Exchange Stores Information, 14-15
Unified Messaging role, 8, 9, 11, 12
Unified Messaging servers, 92, 96, 97, 99
Active Directory and, 27
client access, 35
completing installation, 38
deploying, 24-25, 34, 35, 36, 37
Exchange Server 2007 deployment and, 30
hunt groups, 38
I/O operations, 25
improving dial-in and voice-access responsiveness, 35
overview, 22
PBX, 24
recovery planning, 467
reducing network traffic, 34
Server Configuration node, 99
single-computer installation, 34
Uninterruptible power supply, 6
universal scope, 188
groups, 188
universal security groups
Disable-DistributionGroup cmdlet, 193
Enable-DistributionGroup cmdlet, 192
mail-enabling, 191-192
Remove-DistributionGroup cmdlet, 193
UNIX, 52
UNIX mail servers, 52, 53, 54
UNIX shells, 115
C Shell, 115
Unreachable queue, 457
Updatecmdlets
Update-EmailAddressPolicy, 368, 369
syntax, 368
usage, 368
UPS, 6
Usage parameter, 340
usage restrictions
mail-enabled groups, 204-205
telecommuters and, 205
user accounts
adding mailboxes, 146-148
changing contact information, 148-149
changing global settings, 151-152
Exchange ActiveSync, 152
MAPI, 152
Outlook Web Access, 152
Unified Messageing, 152
changing passwords, 152-153
deleting, 154
deleting mailboxes, 153
display names, 148
logon names, 148
mailbox-enabled, 137, 139
creating, 140-146
mail-enabled, 137, 137-138, 139
setting contact information, 148-149
User Initiated Synchronization, 77
user management cmdlets, 128-129
Disable-MailUser, 129
Get-MailUser, 129
Get-User, 128
Set-MailUser, 129
users and contacts
overview, 137-138
using the command-line administration tools, 18-19
Using the graphical administration tools, 16-18