Allow Deadline with Start-CMApplicationDeployment using UpdateSupersedence
When using the PoSh Cmdlet Start-CMApplicationDeployment with Parameter -UpdateSupersedence et to $true the DeadlineDateTime Parameter it ignored if the Application is deployed as Available - I actually states it in a Warning as well.
But with UpdateSupersedence set to true we need the Deadline Parameter again, to not enforce the updates immediately.
Support was added in the 2007 TP and will ship in 2010 CB.
Riho K commented
Same with New-CMApplicationDeployment. No way to change UpdateDeadline value using Powershell cmdlet.