Start Service Application Proxy using powershell
If your Usage and Health Data Collection Proxy is in a stopped state here is a quick bit of PowerShell to to Start Service Application Proxy :
$sap = Get-SPServiceApplicationProxy | where-object {$_.TypeName -eq “Usage and Health Data Collection Proxy”}
$sap.Provision()
The above can easily be adapted to allow you to start any Service Application Proxy
Categories: Service Application