:: Stsadm –o deactivatefeature –name CanTire.SharePoint.DealChange.ApprovalWorkflow.V.1.0.0.2 -url http://apps-qacantire.ctc/dealchange/ 2. : Retract and remove solution from solution store (the Central Admin à Operations à Solution Management). 3. : Add solution :: Stsadm –o addsolution –filename “path to the wsp file”   4. : Deploy solution :: Stsadm –o deploysolution –name “CanTire.SharePoint.DealChange.ApprovalWorkflow.V.1.0.0.2.wsp” –allowgacdeployment –immediate –force 5. : Activate feature :: Stsadm –o activatefeature –name CanTire.SharePoint.DealChange.ApprovalWorkflow.V.1.0.0.2 -url http://apps-qacantire.ctc/dealchange/   6. : iisreset