Exchange Powershell Administration Commands

Exchange 2013

Database Management

Get-MailboxDatabaseCopyStatus * | ft -auto
Get-MailboxDatabaseCopyStatus * -Active | Select Name,Status,MailboxServer,ActivationPreference,ContentIndexState

Display current running exchange version on all servers:

Get-ExchangeServer|Format-List name, edition, admindisplayversion, serverrole, site

Check and disable backscatter:

Get-RemoteDomain | select identity, DeliveryReportEnabled
Get-RemoteDomain | select identity, NDREnabled

Set-RemoteDomain -Identity * -NDREnabled $false
Set-RemoteDomain -Identity * -DeliveryReportEnabled $false

Check Exchange Server Version:

Get-ExchangeServer|Format-List name, edition, admindisplayversion, serverrole, site

and source link for what different versions numbers are:

http://technet.microsoft.com/en-us/library/hh135098(v=exchg.150).aspx