U

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