 <p>The PowerShell remote session were probably not closed correctly. Either make sure they are closed correctly (Remove-PSSession or Exit-PSSession) or try to remove them with something like below (PowerShell v3 and higher, see <a href="http://stackoverflow.com/questions/17846417/getting-all-open-ps-sessions-on-a-remote-server-from-new-console-window">here</a>).</p> <pre><code>Get-PSSession -ComputerName MyServerName | Remove-PSSession </code></pre>