PS Sessions

When Enter-PSSession and Invoke-Command were used with the ComputerName parameter, a PSSession was implicitly created and destroyed for each remote computer.

Creating the session outside of Invoke-Command is less convenient but allows sessions to be reused and offers greater control of the session lifespan.

New-PSSession and Get-PSSession

Sessions are created using the New-PSSession command. In the following example, a session is created on a computer named PSTEST:

PS> New-PSSession -ComputerName PSTEST
Id  Name     ComputerName State  ConfigurationName    Availability
--  ----     ------------ -----  -----------------    -----------
1   Session1 PSTEST       Opened Microsoft.PowerShell Available

Sessions created using New-PSSession persist until the PSSession is removed (by Remove-PSSession) or the PowerShell session ends.

The following example returns sessions created in the current PowerShell session:

PS> Get-PSSession | Select-Object...