Power shell commands

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1) Convert the web application from classic to Claims
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Convert-SPWebApplication -Identity http://site url -From Legacy -To Claims -

RetainPermissions

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2)To get the Site collection administrators list in web application
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$web = Get-SPWeb http://site url
$web.SiteAdministrato

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3)Test the site before to start the  migration
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Test-SPContentDatabase -Name "database name" -WebApplication "site url"

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4)Mount the data base
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Mount-SPContentDatabase -Name "database name" -WebApplication "site url"

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5)DisMount the data base
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Dismount-SPContentDatabase -Name "database name" -WebApplication "site url"

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6) Migrate users in web application
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$wa = get-SPWebApplication http://mum-its-spqa1:91
$wa.MigrateUsers($true)
$wa.ProvisionGlobally()
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7) Add/deploy/Remove the solutions in web application
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Add-SPSolution -LiteralPath c:\contoso_solution.wsp

Install-SPSolution -Identity contoso_solution.wsp -GACDeployment -CompatibilityLevel 15



Uninstall-SPSolution -Identity contoso_solution.wsp Remove-SPSolution -Identity contoso_solution.wsp