vb.net - Exception when starting SQL Server 2012 service from .NET code -

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i'm attempting start sql server instance following code:

dim computer new managedcomputer dim pmsql serverinstance = computer.serverinstances("theinstance")

when upgraded sql server 2012 gives following error:

sql server wmi provider not available on machinename.

with inner exception of:

invalid namespace

do need install additional on system? make sense worked pre-2012 not 2012?

edit: i'm using .dlls c:\program files\microsoft sql server\100\sdk.

it turns out app using dlls previous version of sql server. updated 2012 version , seems work well.


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