diff --git a/src/gui/src/CoreInterface.cpp b/src/gui/src/CoreInterface.cpp
index 9d24a3df..12703ae7 100644
--- a/src/gui/src/CoreInterface.cpp
+++ b/src/gui/src/CoreInterface.cpp
@@ -74,11 +74,11 @@ QString CoreInterface::checkSubscription()
 	return run(args);
 }
 
-QString CoreInterface::notifyActivation(const QString& action)
+QString CoreInterface::notifyActivation(const QString& identity)
 {
 	QStringList args("--notify-activation");
 
-	QString input(action + ":" + hash(getFirstMacAddress()));
+	QString input(identity + ":" + hash(getFirstMacAddress()));
 	QString os= getOSInformation();
 	if (!os.isEmpty()) {
 		input.append(":").append(os);
diff --git a/src/gui/src/CoreInterface.h b/src/gui/src/CoreInterface.h
index 004a3928..f65348af 100644
--- a/src/gui/src/CoreInterface.h
+++ b/src/gui/src/CoreInterface.h
@@ -31,6 +31,6 @@ public:
 	QString getSubscriptionFilename();
 	QString activateSerial(const QString& serial);
 	QString checkSubscription();
-	QString notifyActivation(const QString& action);
+	QString notifyActivation(const QString& identity);
 	QString run(const QStringList& args, const QString& input = "");
 };
diff --git a/src/gui/src/SetupWizard.cpp b/src/gui/src/SetupWizard.cpp
index c45f30a0..ecacab65 100644
--- a/src/gui/src/SetupWizard.cpp
+++ b/src/gui/src/SetupWizard.cpp
@@ -211,6 +211,9 @@ void SetupWizard::accept()
 		QString hashResult = hash(hashSrc);
 		appConfig.setUserToken(hashResult);
 		appConfig.setEdition(m_Edition);
+
+		CoreInterface coreInterface;
+		coreInterface.notifyActivation("login:" + m_pLineEditEmail->text());
 	}
 
 	if (m_pRadioButtonSubscription->isChecked())
@@ -218,13 +221,13 @@ void SetupWizard::accept()
 		appConfig.setSerialKey(m_pLineEditSerialKey->text());
 
 		CoreInterface coreInterface;
-		coreInterface.notifyActivation("serial");
+		coreInterface.notifyActivation("serial:" + m_pLineEditSerialKey->text());
 	}
 
 	if (m_pRadioButtonSkip->isChecked())
 	{
 		CoreInterface coreInterface;
-		coreInterface.notifyActivation("skip");
+		coreInterface.notifyActivation("skip:unknown");
 	}
 
 	m_MainWindow.setEdition(m_Edition);
@@ -251,6 +254,10 @@ void SetupWizard::reject()
 		m_MainWindow.open();
 	}
 
+	// treat cancel as skip
+	CoreInterface coreInterface;
+	coreInterface.notifyActivation("skip:unknown");
+
 	QWizard::reject();
 }
 
diff --git a/src/gui/src/WebClient.cpp b/src/gui/src/WebClient.cpp
index 9362c008..451bf47f 100644
--- a/src/gui/src/WebClient.cpp
+++ b/src/gui/src/WebClient.cpp
@@ -94,12 +94,7 @@ QString WebClient::request(
 {
 	QStringList args("--login-auth");
 	// hash password in case it contains interesting chars.
-	QString credentials(email + ":" + hash(password) + ":" + hash(getFirstMacAddress()));
-	QString os= getOSInformation();
-	if (!os.isEmpty()) {
-		credentials.append(":").append(os);
-	}
-	credentials.append("\n");
+	QString credentials(email + ":" + hash(password) + "\n");
 
 	return m_CoreInterface.run(args, credentials);
 }
diff --git a/src/lib/synergy/ToolApp.cpp b/src/lib/synergy/ToolApp.cpp
index 7b5a5715..0b4978b7 100644
--- a/src/lib/synergy/ToolApp.cpp
+++ b/src/lib/synergy/ToolApp.cpp
@@ -155,26 +155,14 @@ ToolApp::loginAuth()
 	std::vector<String> parts = synergy::string::splitString(credentials, ':');
 	int count = parts.size();
 
-	if (count == 3 || count == 4) {
+	if (count == 2 ) {
 		String email = parts[0];
 		String password = parts[1];
-		String macHash = parts[2];
-		String os;
-
-		if (count == 4) {
-			os = parts[3];
-		}
-		else {
-			os = ARCH->getOSName();
-		}
 
 		std::stringstream ss;
 		ss << JSON_URL << "auth/";
 		ss << "?email=" << ARCH->internet().urlEncode(email);
 		ss << "&password=" << password;
-		ss << "&mac=" << macHash;
-		ss << "&os=" << ARCH->internet().urlEncode(os);
-		ss << "&arch=" << ARCH->internet().urlEncode(ARCH->getPlatformName());
 
 		std::cout << ARCH->internet().get(ss.str()) << std::endl;
 	}
@@ -210,13 +198,14 @@ ToolApp::notifyActivation()
 	std::vector<String> parts = synergy::string::splitString(info, ':');
 	int count = parts.size();
 
-	if (count == 2 || count == 3) {
+	if (count == 3 || count == 4) {
 		String action = parts[0];
-		String macHash = parts[1];
+		String identity = parts[1];
+		String macHash = parts[2];
 		String os;
 
-		if (count == 3) {
-			os = parts[2];
+		if (count == 4) {
+			os = parts[3];
 		}
 		else {
 			os = ARCH->getOSName();
@@ -225,6 +214,7 @@ ToolApp::notifyActivation()
 		std::stringstream ss;
 		ss <<  JSON_URL << "notify/";
 		ss << "?action=" << action;
+		ss << "&identity=" << identity;
 		ss << "&mac=" << macHash;
 		ss << "&os=" << ARCH->internet().urlEncode(ARCH->getOSName());
 		ss << "&arch=" << ARCH->internet().urlEncode(ARCH->getPlatformName());