Secure Messaging with Microsoft Exchange Server 2000

U

uninterruptible power supplies (UPS), 76

universal groups, 45

update sequence numbers (USNs), 122

updates

IM client, 341

Software Update Services, 98–100

Windows Update, 98

upgrades, server

Exchange installation and, 124–25

SSL accelerator and, 303

UPN (user principal name), 286

UPS (uninterruptible power supplies), 76

URLs, 286, 302–3

URLScan, IIS Lockdown, 109, 304

U.S. Secretary of Defense Web site, 13

user principal name (UPN), 286

users

authorized, 3

IM access control, 336–39

IMAP and POP access control, 324–26

KMS enrollment, 249–51

Outlook security settings, 272–73

Outlook Web Access, 297

reading other people’s mail, 166–69

Users container, 128–29

Users group, 45

USNs (update sequence numbers), 122