Admins Handbook

Get-Mailbox -OrganizationalUnit “OU-Name” | Get-MailboxStatistics | ft  displayName,TotalItemSize -Autosize

Get-MailboxStatistics | Sort -Property TotalItemsize | Format-Table DisplayName, LastLoggedOnUserAccount, ItemCount, @{expression={$_.totalitemsize.value.ToMB()};label=”Size(MB)”}, LastLogonTime, LastLogoffTime

Show number of users connected to Client Access Servers
Get-Counter “\MSExchange RpcClientAccess\User Count” -ComputerName cas1,cas2 |ft

Show number of users connected to Outlook Web Access / Webmail
Get-Counter “\MSExchange OWA\Current Unique Users” -ComputerName cas1,cas2 |ft

Show named users connected to CAS and Mailbox server
Get-LogonStatistics -Server “exch1” | where {$_.clientname -eq “cas1”}| ft username,servername,clientname

Detailed list from Microsoft here

Folder Exclusions:
C:\Program Files\Microsoft\Exchange Server\V14\Mailbox
C:\Program Files\Microsoft\Exchange Server\V14\Mailbox\MDBTEMP
C:\Program Files\Microsoft\Exchange Server\V14\ExchangeOAB
C:\Program Files\Microsoft\Exchange Server\V14\ClientAccess
C:\Program Files\Microsoft\Exchange Server\V14\TransportRoles
C:\Program Files\Microsoft\Exchange Server\V14\TransportRoles\data\Queue
C:\Program Files\Microsoft\Exchange Server\V14\TransportRoles\data\IpFilter
C:\Program Files\Microsoft\Exchange Server\V14\TransportRoles\Logs
C:\Program Files\Microsoft\Exchange Server\V14\TransportRoles\Data\Queue
C:\Program Files\Microsoft\Exchange Server\V14\TransportRoles\Data\IpFilter
C:\Program Files\Microsoft\Exchange Server\V14\TransportRoles\Data\Adam
C:\Program Files\Microsoft\Exchange Server\V14\TransportRoles\Data\SenderReputation
C:\Program Files\Microsoft\Exchange Server\V14\Working\OleConvertor
C:\Program Files\Microsoft\Exchange Server\V14\GroupMetrics
C:\Program Files\Microsoft\Exchange Server\V14\Logging
C:\Program Files\Microsoft\Exchange Server\V14\Logging\POP3
C:\Program Files\Microsoft\Exchange Server\V14\Logging\IMAP4
C:\Program Files\Microsoft\Exchange Server\V14\Working\OleConvertor
C:\Program Files\Microsoft\Exchange Server\V14\UnifiedMessaging\grammars
C:\Program Files\Microsoft\Exchange Server\V14\UnifiedMessaging\Prompts
C:\Program Files\Microsoft\Exchange Server\V14\UnifiedMessaging\voicemail
C:\Program Files\Microsoft\Exchange Server\V14\UnifiedMessaging\temp
C:\Windows\System32\inetsrv
C:\Windows\Cluster
C:\witness
C:\inetpub\temp\IIS Temporary Compressed Files
C:\Windows\System32\inetsrv
C:\inetpub\logs\LogFiles
—
Processes Exclusions:
C:\Program Files\Microsoft\Exchange Server\V14\Bin\MSExchangeADTopologyService.exe
C:\Program Files\Microsoft\Exchange Server\V14\Bin\ExFBA.exe
C:\Program Files\Microsoft\Exchange Server\V14\bin\store.exe
C:\Program Files\Microsoft\Exchange Server\V14\bin\mad.exe
C:\Program Files\Microsoft\Exchange Server\V14\Bin\msftesql.exe
C:\Program Files\Microsoft\Exchange Server\V14\bin\Microsoft.Exchange.AddressBook.Service.exe
C:\Program Files\Microsoft\Exchange Server\V14\Bin\Microsoft.Exchange.AntispamUpdateSvc.exe
C:\Program Files\Microsoft\Exchange Server\V14\Bin\Microsoft.Exchange.EdgeSyncSvc.exe
C:\Program Files\Microsoft\Exchange Server\V14\Bin\MSExchangeFDS.exe
C:\Program Files\Microsoft\Exchange Server\V14\Bin\MSExchangeMailboxAssistants.exe
C:\Program Files\Microsoft\Exchange Server\V14\Bin\MSExchangeMailboxReplication.exe
C:\Program Files\Microsoft\Exchange Server\V14\Bin\MSExchangeMailSubmission.exe
C:\Program Files\Microsoft\Exchange Server\V14\bin\Microsoft.Exchange.ProtectedServiceHost.exe

Cdb.exe
Microsoft.Exchange.Search.Exsearch.exe
Cidaemon.exe
Microsoft.Exchange.Servicehost.exe
Clussvc.exe
MSExchangeADTopologyService.exe
Dsamain.exe
MSExchangeFDS.exe
EdgeCredentialSvc.exe
MSExchangeMailboxAssistants.exe
EdgeTransport.exe
MSExchangeMailboxReplication.exe
MSExchangeMailSubmission.exe
GalGrammarGenerator.exe
MSExchangeRepl.exe
Inetinfo.exe
MSExchangeTransport.exe
MSExchangeTransportLogSearch.exe
Microsoft.Exchange.AddressBook.Service.exe
MSExchangeThrottling.exe
Microsoft.Exchange.AntispamUpdateSvc.exe
Msftefd.exe
Microsoft.Exchange.ContentFilter.Wrapper.exe
Msftesql.exe
Microsoft.Exchange.EdgeSyncSvc.exe
OleConverter.exe
Microsoft.Exchange.Imap4.exe
Powershell.exe
Microsoft.Exchange.Imap4service.exe
SESWorker.exe
Microsoft.Exchange.Infoworker.Assistants.exe
SpeechService.exe
Microsoft.Exchange.Monitoring.exe
Microsoft.Exchange.Pop3.exe
TranscodingService.exe
Microsoft.Exchange.Pop3service.exe
UmService.exe
UmWorkerProcess.exe
Microsoft.Exchange.RPCClientAccess.Service.exe
W3wp.exe

get-OutlookAnywhere
Set-OutlookAnywhere -Name EXCHSERVER -ClientAuthenticationMethod NTLM
Set-OutlookAnywhere -Name EXCHSERVER -IISAuthenticationMethod Basic,NTLM