SharePoint 2013 强制安装解决方案
Add-SPSolution
Install-SPSolution -Identity DemonstrationZone.wsp -GACDeployment -CompatibilityLevel {14,15} -WebApplication http://tech2013 -force
Add-SPSolution
Install-SPSolution -Identity DemonstrationZone.wsp -GACDeployment -CompatibilityLevel {14,15} -WebApplication http://tech2013 -force