Index: dll/shellext/netshell/netshell.cpp
===================================================================
--- dll/shellext/netshell/netshell.cpp	(revision 71417)
+++ dll/shellext/netshell/netshell.cpp	(working copy)
@@ -70,4 +70,14 @@
     CoTaskMemFree(pProps);
 }
 
+BOOL
+WINAPI
+NcIsValidConnectionName(_In_ PCWSTR pszwName)
+{
+    if (!pszwName)
+        return FALSE;
+    else
+        return (wcspbrk(pszwName, L"\\/:*\t? <>|\"") == NULL);
+}
+
 } // extern "C"
Index: dll/shellext/netshell/netshell.spec
===================================================================
--- dll/shellext/netshell/netshell.spec	(revision 71417)
+++ dll/shellext/netshell/netshell.spec	(working copy)
@@ -21,7 +21,7 @@
 20 stub HrRunWizard
 21 stub InvokeDunFile
 22 stdcall NcFreeNetconProperties(ptr)
-23 stub NcIsValidConnectionName
+23 stdcall NcIsValidConnectionName(ptr)
 24 stub NetSetupAddRasConnection
 25 stub NetSetupFinishInstall
 26 stub NetSetupInstallSoftware