Index_U

U

uncommitted operations, rolling back, 35

undocumented events, 582

Unfreeze option, 295

unidirectional connection, Routing Group Connector as a, 280

uninterruptible power supply. See UPS (uninterruptible power supply)

unique ID for every message, 593

unit of administration, 51

universal groups, 80

Global Catalog and, 80

in a multiple-domain environment, 90

populating with other global groups, 88

replication effect of, 88

universal security groups, 84, 88

UNIX clients, connecting to Exchange Server, 382

UNIX e-mail server, forwarding unresolved e-mail to, 449

UNIX users, OWA as the primary Outlook solution, 405

unsolicited e-mail, identifying, 440

UNSUBSCRIBE IMAP4 command, 455

unsupported devices, enabling in OMA, 495

unwanted e-mail, legal exposure to, 510

UP link state

leaving an oscillating connector in, 70

trace showing, 66

Update state of a POP3 session, 453

upgrade, 301

upgrading, cost of, 302

UPS (uninterruptible power supply), 134, 240

URLs

assigning to objects in the native content file, 38

creating for the information store, 42

in a gather file, 46

URLs in History counter, 640

Use Custom Schedule option, 229

Use Custom Settings To Generate The Key Pair And CA Certificate check box, 547

Use Different Delivery Times For Oversize Messages check box, 285

Use DNS To Route To Each Address Space On This Connector option, 288

Use Existing Keys option, 548

Use Public Store Schedule option, 229

Use The Certificate Associated With This Key option, 548

Usenet groups, 460

Usenet news system, 456, 457

User Account Migration Wizard, 320

Account Transition Options page, 324, 325

Domain Selection page, 320

Naming Conflicts page, 326

Organizational Unit Selection page, 322

Password Options page, 322

test option in, 320

User Account page, 325

User Options page, 325

User Selection page, 321

User Account page, 325

user accounts

associating X.400 addresses with, 93

deleting and re-migrating, 347

gathering from a domain, 322

guarding against unauthorized, 520

merging into a single database, 316

migrating from Windows NT to Active Directory, 316

required for installation, 140

upgrading to Windows Server 2003, 316

User Certificate - Identifying Information page, 552

User certificate type, 545

user certificates, 542, 551, 554

user data as a coexistence issue, 369

user interface of MMC, 162–65

User mode in MMC, 162

user needs, defining, 108–12

user objects

e-mail addresses as attributes of, 92

mail-enabling, 87

User Options page, 325

USER POP3 command, 454

user principal name, 85

User Selection page, 321

User Signature Only certificate type, 545

user trainer on the migration team, 307

user-configured window size of OWA, 405

user-initiated storage of messages, 454

users, 178, 179–92

accessing different Exchange mailboxes, 400

assigning mailbox rights to, 190

auditing current e-mail usage of a sample of, 241

becoming the owners of mailboxes, 191

configuring basic information about, 181

configuring mobile services for individual, 490

creating new certificates for, 569

creating public folders, 216

deciding when to move, 308–10

deleting items in public folders, 219

deleting or modifying items in another user’s mailbox, 191

disallowing message transfer over the X.400 Connector, 482

editing items in public folders, 218

educating about viruses, 533

e-mail configurations for, 179

enabling multiple in Outlook 2003, 397–403

forcibly disconnecting in NNTP, 464

granting permissions for mailbox access, 401

listing the current group memberships, 191

monitoring current sessions in NNTP, 464

planning for management of, 118

prohibiting from transferring messages over an X.400 Connector, 482

reading another user’s e-mail, 190

seeing folders in a mailbox, 400

setting up roving, 402

spreading across multiple databases, 21, 236

supporting more on a single server, 236

synchronizing directly to Exchange, 488

Users certificate, 566

Users folder, filtering objects displayed in, 200

Users Or Groups page, 523

Users tab, 530

user-to-database ratio, 27

uudecode, 428

uuencode, 428