The problem could be that your existing PowerShell session is “locking” the module by loading possible elements from it (such as global variables or constants) even though you are trying to unload it (Remove-Module). The cleanest way to be sure it isn’t locked is to exit the PowerShell session. If you need to keep the … Read more
As suggested by wOxxOm, you can try pass the -Force flag: Import-Module … -Force Or if that does not work try to explicitly remove it and then reimport with: Remove-Module
Try to see if SQL snap-ins are present: get-pssnapin -Registered Name : SqlServerCmdletSnapin100 PSVersion : 2.0 Description : This is a PowerShell snap-in that includes various SQL Server cmdlets. Name : SqlServerProviderSnapin100 PSVersion : 2.0 Description : SQL Server Provider If so Add-PSSnapin SqlServerCmdletSnapin100 # here lives Invoke-SqlCmd Add-PSSnapin SqlServerProviderSnapin100 then you can do something … Read more