internal/functions/Restart-WinRMService.ps1
function Restart-WinRMService { <# .SYNOPSIS Restarts WinRM service on a remote machine and waits for it to get back up .DESCRIPTION Restarts WinRM service on a remote machine and waits for it to get back up by attempting to establish a WinRM session. #> [CmdletBinding(SupportsShouldProcess)] Param ( [Parameter(Mandatory)] $ComputerName, [pscredential]$Credential, [int]$Timeout = 30 ) begin { } process { if ($PSCmdlet.ShouldProcess($ComputerName, "Restarting WinRm service")) { $restartService = { $null = Get-Service -Name WinRM -ErrorAction Stop | Restart-Service -ErrorAction Stop } try { $null = Invoke-Command2 -ComputerName $ComputerName -Credential $Credential -ScriptBlock $restartService -Raw -ErrorAction Stop } catch [System.Management.Automation.Remoting.PSRemotingTransportException] { Write-Message -Level Debug "Expected exception - the pipe was disconnected | $($_.Exception.Message)" } catch { Write-Message -Level Warning "Failed to restart WinRM service on $ComputerName" } Write-Message -Level Debug "Removing existing local sessions to $ComputerName - they are no longer valid" $runspaceId = [System.Management.Automation.Runspaces.Runspace]::DefaultRunspace.InstanceId # Retrieve a session from the session cache, if available (it's unique per runspace) [array]$currentSessions = [Sqlcollaborative.Dbatools.Connection.ConnectionHost]::PSSessionGet($runspaceId, $ComputerName) Write-Message -Level Debug -Message "Removing $($currentSessions.Count) sessions from $ComputerName in runspace $runspaceId" $currentSessions | Remove-PSSession Write-Message -Level Debug "Waiting for the WinRM service to restart on $ComputerName" $waitCounter = 0 while ($waitCounter -lt $Timeout * 5) { try { $available = Invoke-Command2 -ComputerName $ComputerName -Credential $Credential -ScriptBlock { $true } -Raw -ErrorAction Stop } catch { Write-Message -Level Debug -Message "Still waiting for the WinRM service to restart on $ComputerName" } if ($available) { break } Start-Sleep -Milliseconds 200 $waitCounter++ } } Write-Message -Level Debug -Message "WinRM restart comlete on $ComputerName" } } # SIG # Begin signature block # MIIZewYJKoZIhvcNAQcCoIIZbDCCGWgCAQExCzAJBgUrDgMCGgUAMGkGCisGAQQB # 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SIG # End signature block |