diff --git a/libpEpAdapter/libpEpAdapter.vcxproj b/libpEpAdapter/libpEpAdapter.vcxproj
index d984f86..8f1e6d2 100644
--- a/libpEpAdapter/libpEpAdapter.vcxproj
+++ b/libpEpAdapter/libpEpAdapter.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -22,32 +22,32 @@
     <ProjectGuid>{EC44FEC9-2F3A-4A0C-B60E-0F22AA43EF58}</ProjectGuid>
     <Keyword>Win32Proj</Keyword>
     <RootNamespace>libpEpAdapter</RootNamespace>
-    <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
+    <WindowsTargetPlatformVersion>10.0.17763.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>StaticLibrary</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
     <WholeProgramOptimization>true</WholeProgramOptimization>
     <CharacterSet>Unicode</CharacterSet>
   </PropertyGroup>
diff --git a/status_to_string.cc b/status_to_string.cc
index 252bed3..4edf2bf 100644
--- a/status_to_string.cc
+++ b/status_to_string.cc
@@ -36,6 +36,10 @@ std::string status_to_string(PEP_STATUS status)
         case PEP_MALFORMED_KEY_RESET_MSG          : status_string = "PEP_MALFORMED_KEY_RESET_MSG"; break;
         case PEP_KEY_NOT_RESET                    : status_string = "PEP_KEY_NOT_RESET"; break;
         
+        case PEP_KEY_IMPORTED                     : status_string = "PEP_KEY_IMPORTED"; break;
+        case PEP_NO_KEY_IMPORTED                  : status_string = "PEP_NO_KEY_IMPORTED"; break;
+        case PEP_KEY_IMPORT_STATUS_UNKNOWN        : status_string = "PEP_KEY_IMPORT_STATUS_UNKNOWN"; break;
+        
         case PEP_CANNOT_FIND_IDENTITY             : status_string = "PEP_CANNOT_FIND_IDENTITY"; break;
         case PEP_CANNOT_SET_PERSON                : status_string = "PEP_CANNOT_SET_PERSON"; break;
         case PEP_CANNOT_SET_PGP_KEYPAIR           : status_string = "PEP_CANNOT_SET_PGP_KEYPAIR"; break;