H

hard drives, recommendations, 98. See also disk drives

hardware

64-bit architecture, 13–15

building reliable platform, 494–495

prerequisites for upgrade installation, 140–141

recommendations, 98

testing capacity, 97–98

Hardware Compatibility List (HCL), 494

hardware requirements

disk space, 38–39

file system, 39

optical media, 38–39

overview of, 35–36

physical memory, 36–38

processors, 36

HCL (Hardware Compatibility List), 494

health, monitoring, 737

health checks

ExBPA, 706

LCR (local continuous replication), 193–194

Help file

getting help with cmdlets, 245

management tools, 208

help options

EMS (Exchange Management Shell), 245–256

Get-Help cmdlet, 247–256

Help file, 245–246

PowerShell, 245–256

high availability

building reliable platform, 494–495

CCR (clustered continuous replication), 24–25

complexity vs. supportability, 495–496

fault tolerance and, 164, 495

LCR (local continuous replication), 23–24

measuring by "nines", 493

organizational processes and, 494

Outlook cached Exchange mode and, 496

overview of, 23

reliability vs., 492

scheduled maintenance and, 492–493

HTML (hypertext markup language), 6–7

Hub Transport server role

anti-spam configuration and, 275–276

certificate trust and, 687

colocating with Mailbox server role, 116, 118

deploying, 115–117

Edge Transport server role and, 113

function of, 589

inter site message routing, 64–65, 590–591

message categorization, 592

message routing, 61–63

overview of, 49–50

receive connectors, 283–284, 593–596

redundant mail routing, 503–504

send connectors, 596–600

server configuration, 611–612

TLS (Transport Layer Security) and, 685

transition strategy and, 158

transport rule actions, 448–449

transport rule conditions and exceptions, 447

transport rules, 446

virus protection and, 697

hypertext markup language (HTML), 6–7