first part, secure channel only
diff --git a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
index e19c6dd..7336d0d 100644
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@@ -43,6 +43,12 @@
     <ClCompile Include="..\..\..\src\core\client_config\connector.c">
       <Filter>src\core\client_config</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\src\core\client_config\default_initial_connect_string.c">
+      <Filter>src\core\client_config</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\src\core\client_config\initial_connect_string.c">
+      <Filter>src\core\client_config</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\src\core\client_config\lb_policies\pick_first.c">
       <Filter>src\core\client_config\lb_policies</Filter>
     </ClCompile>
@@ -446,6 +452,9 @@
     <ClInclude Include="..\..\..\src\core\client_config\connector.h">
       <Filter>src\core\client_config</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\src\core\client_config\initial_connect_string.h">
+      <Filter>src\core\client_config</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\src\core\client_config\lb_policies\pick_first.h">
       <Filter>src\core\client_config\lb_policies</Filter>
     </ClInclude>