E

empty parentheses (()), method call notation, 150

EnableMailbox cmdlet, 200–201

 EnableMessageTracking.ps1, 215

environment provider, 53–56

creating variables, 54–55

exercises, 68–70

listing variables, 53–54

removing variables, 56

renaming variables, 55

environment settings, exercises, 139–143

environment variables

creating, 54–55

listing, 53–54

removing, 56

renaming, 55

equals sign (=), evaluation operator, 131

error messages, querying WMI, 130

-ErrorAction argument, 13t

errors

error handling, adding, 152–153

working with, 150–152

-ErrorVariable argument, 13t

-examples argument, 15

Exchange Server 2007, 199–216

cmdlets, 199–200

exercises, 211–215

identity attribute, 205

logging management, 207–211

message tracking, 214–215

PowerShell and, 3–4

recipient settings, 200–205

storage settings, 206–207

user settings, 204–205

WMI support, 97

exclamation point (!), not notation, 57

ExpandEnvironmentalStrings method, 37

 ExplorerProcess.ps1 script, 129

 ExploringWmiObjects.ps1 script, 106–111

Export-Console cmdlet, 12