For the records, ...

msdart.dll was the problem!

I have completly removed SQL Server and re-install it (and re-applied SP3) and now everything is fine!



>I just discovered something interesting (and really bad at the same time)!
>
>From VB6, if I add a data environment to a project and try to access the properties of the connection, I receive a dialog titled "Microsoft Data Environment Designer" having the message "Missing Microsoft Data Source Locator".
>
>This should be related. Any ideas?
>
>
>>I have big problems sine yesterday!
>>
>>In VS.Net Pro, from the Server Explorer, when I click the "Connect To Database" button, shouldn't I see a dialog giving me the choice of connection to another source (like Access, ...)? I don't see that dialog!
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>>I had to do a repair installation of Windows XP and I have also done one for VS.Net when I saw that I had this problem.
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>>Also, if I open the Server Explorer, then Servers, then my computer name. I then right-click on SQL Servers and select "Register SQL Server instance". In the dialog, the servername is already properly filled with my computer name and I leave the Instance name blank to access the local SQL Server. After clicking OK, a node appears under SQL Servers and it has a small red x on the icon. When I try to click on it, I am required to login. Whatever I try, it always fail with this error: The specified procedure could not found.
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>>It has worked in the past and I don't know what I have changed!
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>>Any ideaa!