O

OABs (offline address books)

assigning, 415–416

Autodiscover and, 581–582

creating, 413–414

defining generation schedules for, 414–415

managing default, 409–413

managing with EMS, 416

overview of, 408–409

object orientation, PowerShell, 240

object pickers, Active Directory, 230

objects, inserting and linking in messaging system, 10–12

OFD (Outlook Forms Designer), 13

Office, messaging-enabled applications, 10–11

offline address books. See OABs (offline address books)

offsite replication strategy, 552–553

onsite replication strategy, 553

operating systems

disk space requirements and, 94

messaging security and, 675

organization geographic profile and, 76

performance counters for, 172–174

prerequisites for upgrade installation, 141–142

requirements, 39–40

requirements for installing Exchange Server 2007, 121–122

security and, 674

operations developer, 72

operators, PowerShell, 241

Opteron process, AMD, 140

optical media, 38–39

optimization

defined, 101

system design and, 103

Organization Configuration work center

accepted domains, 267–268

ActiveSync, 265–266

address list management, 263–265

administrative permissions, 261–262

anti-spam, 274–275

description of, 212

Edge Transport subscriptions, 273

e-mail addresses, 268–269, 318

Junk E-mail threshold, 261

message journaling, 270–272

message size limits, 261

messaging records management, 262–263

outbound e-mail to external SMTP domains, 272–273

outbound message formats, 266–267

overview of, 260

recipient count limits, 261

transport rules, 269–270

organizational administrator, 72

organizations

complex Exchange organizations, 54–55

configuring Edge Transport server to enforce Organization policies, 628–632

geographic profile, 76

large Exchange organizations, 54

naming conventions, 79

network assessment, 77–78

simple Exchange organizations, 52–53

standard Exchange organizations, 53–54

organization-wide configuration. See Organization Configuration work center

outages, recovery and, 165

outbound e-mail, to external SMTP domains, 272–273

outbound message formats, 266–267

Outlook 2003, offline address books for, 224

Outlook 2007, 559–586

Administrative Install, 560

Autodiscover feature. See Autodiscover, Outlook 2007

cached Exchange mode, 496

calendar, 564–565, 573

categories and follow-up settings, 573

client calendar, 5–6

client deployment, 561–562

contacts folder, 565–566

customizing, 561

deleted items recovery, 569

editor, 564

inbox, 563–564

installing, 559–560

instant search, 570–571

languages and, 560

mailbox full and mailbox cleanup, 567–568

message complexity, 6–7

new features, 567–570

offline address books, 224

Out-of-Office Assistant, 567

overview of, 559

public folder management, 467–469

resource mailboxes, 574–575

RSS Feeds and, 569

rule limit and, 570

scheduling, 573

SharePoint Server and, 9, 571–572

system requirements, 559

tasks folder, 567

time management, 572–573

user interface, 562–563

Outlook Anywhere

configuring, 579–581

configuring Exchange for, 648–649

configuring Outlook clients for, 649–654

overview of, 647–648

self-signed certificates and, 686

Outlook Calendar, 5–6

Outlook clients. See also clients, e-mail

configuring for Outlook Anywhere, 649–654

overview of, 561–562

Outlook Forms Designer (OFD), 13

Outlook Voice Access

multiple access points for e-mail systems, 8

remote access to mailbox, 8

Outlook Web Access. See OWA (Outlook Web Access)

Out-of-Office Assistant

Outlook 2007, 567

OWA options for accessing, 637

resource management features, 26

OWA (Outlook Web Access), 634–647

configuring with EMC, 638–642

Document Access feature, 643–647

FBA (Forms Based Authentication), 639

improvements to Exchange clients, 5–6

interface, 634–635

large organizations and, 643

location and language options, 635

message classification, 21, 442

new features, 26–27

options for, 636–638

overview of, 634

public and private folder access, 641–642

remote file server support, 642–643

segmentation tab for enabling/disabling options, 639–640

self-signed certificates and, 686

SharePoint Server and, 9

simplifying URL for, 642

Test-OwaConnectivity cmdlet, 168

upgrade prerequisites, 143

Windows Mobile devices and, 664