Commands for downgrading NuGet packages across a solution in Visual Studio using the Package Manager Console

NuGetSolutionWideDownGrade.ps1

$projects =Get-Project -All | Select @{ Name=”ProjectName”;Expression={$_.ProjectName}}, @{Name=”Has”;Expression={Get-Package $PackageName -Project $_.Name}} | where { $_.Has -and $_.Has.ToString() -eq '$PackageName $CurrentPackageVersion' }

$projects | select { Uninstall-Package $PackageName -ProjectName $_.ProjectName -Force }

$projects | select { Install-Package $PackageName -Version $PackageVersionToDowngradeTo -ProjectName $_.ProjectName }