Uninstall and Install SharePoint Solution - SharePoint 2010/2013

Introduction

how to Uninstall and install a .wsp in SharePoint 2010/2013

Uninstall wsp / Install wsp

Add-PSSnapin Microsoft.SharePoint.PowerShell -ErrorAction "SilentlyContinue" $SolutionPackageName = "XXXXX.wsp" $solution = Get-SPSolution | where-object {$_.Name -eq $SolutionPackageName} # check to see if solution package has been installed if ($solution -ne $null) {   # check to see if solution package is currently deployed   if($solution.Deployed -eq $true){     Uninstall-SPSolution -Identity $SolutionPackageName -Local -Confirm:$false     Remove-SPSolution -Identity $SolutionPackageName -Confirm:$false   } } Add-SPSolution -LiteralPath $SolutionPackagePath Install-SPSolution -Identity $SolutionPackageName -Local -GACDeployment

Add a call to Get-SPSolution and conditional logic to determine whether the solution package is currently installed and deployed before attempting to retract or remove it. Once solution is find, then call to Uninstall-SPSolution and Remove-SPSolution will remove solution package.Then use Add-SPSolution and Install-SPSolution to install the solution.