Index_L

L

L2TP (Layer 2 Tunneling Protocol), 572

LAN (local area network), diagramming, 115

LAN Manager MIB II, 594

LAN-based technologies, 40

larger messages, holding until set times, 285

Layer 2 Tunneling Protocol (L2TP), 572

LDAP (Lightweight Directory Access Protocol), 74, 464–67

changing the number of entries per page, 363

default port, 84

native access protocol for directory information, 86

operating over a connection-oriented transport, 466

paths for domain controller naming partitions, 81

server providing information about itself, 465

SRS running to communicate with Active Directory, 352

LDAP service, port 389 locked by, 359

LDAP version 3, 465, 466

LDAP-based information, accessed by Outlook Express, 379

LDAPDN, 465

LdapKeepAliveSecs registry key, 418

LDAPMessage, 466

leaf objects, 165

legacy messaging systems, 124, 471

legal exposure to unwanted e-mail content, 510

levels of diagnostics logging, 582

liability for information security matters, 501

licensing, 155

Lightweight Directory Access Protocol. See LDAP (Lightweight Directory Access Protocol)

Limit Number Of Connections To check box, 438

Limited Access Multiple Window User mode, 163

Limited Access Single Window User mode, 163

limits

configuring for a public folder store, 226

configuring for a single public folder, 227

defining for replication for a public folder store, 230

Limits tab

folder property sheet, 227

mailbox store policy property sheet, 273

new mailbox store property sheet, 251

Public Folder Store object property sheet, 225

public folder store policy property sheet, 272

linear topology, 62

linear trust network of CAs, 564

link monitors, 588

link state algorithm, 64, 279

link state information, 64–71

commands supporting, 430

exchange of, 63

immediate transmission of, 68

managing, 293–97

not changed to DOWN, 70

oscillating, 70

performing a trace for, 65

replicating from RGM to RGM, 64

tracking, 345

link state propagation traffic, reducing unnecessary, 70

link state protocol, 63

administering, 294–97

multiple link failures and, 69–70

single-link failures and, 66–68

links

checking the status of, 68

failure of multiple, 69–70

failure of single, 66–68

high-speed forming sites, 82

between routing groups, 274

states of, 64

LIST IMAP4 command, 455

LIST NNTP command, 460

LIST POP3 command, 454

list server, 457

list services, subscribing public folders to, 215

load balancing, 281, 413

local certificate store, 567–70

local delivery queue, 56

local logons, 525

local procedure calls (LPCs), 173

Local Queue Length counter, 639

Local Retry Queue Length counter, 639

lockbox, generated by Outlook, 562

log entries, writing to the database, 37

log file maintenance settings, 268

Log File Prefix field, 245

log files

configuring, 144

default storage locations of major, 651

deleting, 37

dumping the header information of, 34

formats available for, 437

for NNTP service, 459

opening during backup mode, 604

replaying during recovery, 35

sections of, 34

specifying for the installation of Outlook 2003, 387

unique signature for, 598

log on locally policy setting, 526

Log Size area of the General tab, 580

logging, write-ahead, 31

logical bidirectional link, between two routing groups, 280

logical nature of administrative groups, 257

logical structure of Active Directory, 74–79

logical undo, 35

logical volumes, monitoring, 634

LogicalDisk counters, activating, 635

LogicalDisk object, 634

LOGIN IMAP4 command, 455

logon authentication, 406

logon banner, 504

logon page for OWA, 406

logon policies, 504

logon/logoff improvements of OWA, 406–8

LOGOUT IMAP4 command, 455

logout process for OWA, 641

logs. See also event logs

checking, 239

replaying, 35

loss of data, guarding against, 520

Lost And Found folder, 617

Lotus Notes, 153, 316

Lotus Notes Connector, 65, 153, 472

lower-level folders, 130, 212

LPCs (local procedure calls), 173

LST, compared to the GWART, 345

LSUB IMAP4 command, 455