IDiaLoadCallback2::RestrictSystemRootAccess
Applies to: 
Visual Studio 
Visual Studio for Mac
Note
This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here
Determines if searching for .pdb files is allowed in the system root directory.
Syntax
HRESULT RestrictSystemRootAccess();
Return Value
If successful, returns S_OK; otherwise, returns an error code.
Remarks
Any return code other than S_OK prevents searching the system root for .pdb files.