Symptoms

Assume that you have upgraded to Microsoft .NET Framework 4.6 on an operating system. When you try to connect to a database or create a database project in Visual Studio, the drop-down list for visible server names in the Add Connection dialog box returns an empty list.

Cause

This issue occurs because of a bug that was introduced when the underlying DataSource enumerator was refactored to handle wide characters.

More Information

For more information about the product versioning changes and their effects in the .NET Framework 4.6, see Application Compatibility in the .NET Framework 4.6.

For more information about the known issues in the .NET Framework 4.6, see Known issues for the .NET Framework 4.6.

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