diff --git a/lib/EAPBase/include/Config.h b/lib/EAPBase/include/Config.h
index 7d79172..f753567 100644
--- a/lib/EAPBase/include/Config.h
+++ b/lib/EAPBase/include/Config.h
@@ -550,6 +550,7 @@ namespace eap
         /// @}
 
     public:
+        GUID m_connection_id;                           ///< Unique connection ID
         std::vector<eap::config_provider> m_providers;  ///< Array of provider configurations
     };
 }
diff --git a/lib/EAPBase/include/EAP.h b/lib/EAPBase/include/EAP.h
index f1025e7..cf5c572 100644
--- a/lib/EAPBase/include/EAP.h
+++ b/lib/EAPBase/include/EAP.h
@@ -391,6 +391,31 @@ template<size_t N> inline size_t pksizeof(_In_ const eap::sanitizing_blob_f<N> &
 ///
 template<size_t N> inline void operator>>(_Inout_ eap::cursor_in &cursor, _Out_ eap::sanitizing_blob_f<N> &val);
 
+///
+/// Packs a GUID
+///
+/// \param[inout] cursor  Memory cursor
+/// \param[in]    val     Variable with data to pack
+///
+inline void operator<<(_Inout_ eap::cursor_out &cursor, _In_ const GUID &val);
+
+///
+/// Returns packed size of a GUID
+///
+/// \param[in] val  Data to pack
+///
+/// \returns Size of data when packed (in bytes)
+///
+inline size_t pksizeof(_In_ const GUID &val);
+
+///
+/// Unpacks a GUID
+///
+/// \param[inout] cursor  Memory cursor
+/// \param[out]   val     Variable to receive unpacked value
+///
+inline void operator>>(_Inout_ eap::cursor_in &cursor, _Out_ GUID &val);
+
 #ifndef htonll
 ///
 /// Convert host converts an unsigned __int64 from host to TCP/IP network byte order.
@@ -975,6 +1000,31 @@ inline void operator>>(_Inout_ eap::cursor_in &cursor, _Out_ eap::sanitizing_blo
 }
 
 
+inline void operator<<(_Inout_ eap::cursor_out &cursor, _In_ const GUID &val)
+{
+    eap::cursor_out::ptr_type ptr_end = cursor.ptr + sizeof(GUID);
+    assert(ptr_end <= cursor.ptr_end);
+    memcpy(cursor.ptr, &val, sizeof(GUID));
+    cursor.ptr = ptr_end;
+}
+
+
+inline size_t pksizeof(_In_ const GUID &val)
+{
+    UNREFERENCED_PARAMETER(val);
+    return sizeof(GUID);
+}
+
+
+inline void operator>>(_Inout_ eap::cursor_in &cursor, _Out_ GUID &val)
+{
+    eap::cursor_in::ptr_type ptr_end = cursor.ptr + sizeof(GUID);
+    assert(ptr_end <= cursor.ptr_end);
+    memcpy(&val, cursor.ptr, sizeof(GUID));
+    cursor.ptr = ptr_end;
+}
+
+
 #ifndef htonll
 
 inline unsigned __int64 htonll(unsigned __int64 val)
diff --git a/lib/EAPBase/src/Config.cpp b/lib/EAPBase/src/Config.cpp
index fe6a27a..6ec145b 100644
--- a/lib/EAPBase/src/Config.cpp
+++ b/lib/EAPBase/src/Config.cpp
@@ -614,10 +614,12 @@ void eap::config_provider::operator>>(_Inout_ cursor_in &cursor)
 
 eap::config_provider_list::config_provider_list(_In_ module &mod) : config(mod)
 {
+    memset(&m_connection_id, 0, sizeof(m_connection_id));
 }
 
 
 eap::config_provider_list::config_provider_list(_In_ const config_provider_list &other) :
+    m_connection_id(other.m_connection_id),
     m_providers(other.m_providers),
     config(other)
 {
@@ -625,6 +627,7 @@ eap::config_provider_list::config_provider_list(_In_ const config_provider_list
 
 
 eap::config_provider_list::config_provider_list(_Inout_ config_provider_list &&other) :
+    m_connection_id(std::move(other.m_connection_id)),
     m_providers(std::move(other.m_providers)),
     config(std::move(other))
 {
@@ -634,8 +637,9 @@ eap::config_provider_list::config_provider_list(_Inout_ config_provider_list &&o
 eap::config_provider_list& eap::config_provider_list::operator=(_In_ const config_provider_list &other)
 {
     if (this != &other) {
-        (config&)*this = other;
-        m_providers = other.m_providers;
+        (config&)*this  = other;
+        m_connection_id = other.m_connection_id;
+        m_providers     = other.m_providers;
     }
 
     return *this;
@@ -646,6 +650,7 @@ eap::config_provider_list& eap::config_provider_list::operator=(_Inout_ config_p
 {
     if (this != &other) {
         (config&&)*this = std::move(other);
+        m_connection_id = std::move(other.m_connection_id);
         m_providers     = std::move(other.m_providers);
     }
 
@@ -693,6 +698,9 @@ void eap::config_provider_list::load(_In_ IXMLDOMNode *pConfigRoot)
 
     config::load(pConfigRoot);
 
+    // On each configuration import reset ID.
+    CoCreateGuid(&m_connection_id);
+
     // Iterate authentication providers (<EAPIdentityProvider>).
     com_obj<IXMLDOMNodeList> pXmlListProviders;
     if (FAILED(hr = eapxml::select_nodes(pConfigRoot, bstr(L"eap-metadata:EAPIdentityProviderList/eap-metadata:EAPIdentityProvider"), &pXmlListProviders)))
@@ -717,6 +725,7 @@ void eap::config_provider_list::load(_In_ IXMLDOMNode *pConfigRoot)
 void eap::config_provider_list::operator<<(_Inout_ cursor_out &cursor) const
 {
     config::operator<<(cursor);
+    cursor << m_connection_id;
     cursor << m_providers;
 }
 
@@ -725,7 +734,8 @@ size_t eap::config_provider_list::get_pk_size() const
 {
     return
         config::get_pk_size() +
-        pksizeof(m_providers);
+        pksizeof(m_connection_id) +
+        pksizeof(m_providers    );
 }
 
 
@@ -733,6 +743,8 @@ void eap::config_provider_list::operator>>(_Inout_ cursor_in &cursor)
 {
     config::operator>>(cursor);
 
+    cursor >> m_connection_id;
+
     list<config_provider>::size_type count;
     cursor >> count;
     m_providers.clear();
diff --git a/lib/TTLS_UI/src/Module.cpp b/lib/TTLS_UI/src/Module.cpp
index f63d230..a5942c6 100644
--- a/lib/TTLS_UI/src/Module.cpp
+++ b/lib/TTLS_UI/src/Module.cpp
@@ -88,6 +88,7 @@ void eap::peer_ttls_ui::invoke_config_ui(
         unpack(cfg, pConnectionDataIn, dwConnectionDataInSize);
     } else {
         // This is a blank network profile. Create default configuraton.
+        CoCreateGuid(&(cfg.m_connection_id));
 
         // Start with PAP inner configuration.
         unique_ptr<config_method_ttls> cfg_method(new config_method_ttls(*this));