diff --git a/components/flow-orchestration-framework/org.wso2.carbon.identity.flow.execution.engine/src/main/java/org/wso2/carbon/identity/flow/execution/engine/Constants.java b/components/flow-orchestration-framework/org.wso2.carbon.identity.flow.execution.engine/src/main/java/org/wso2/carbon/identity/flow/execution/engine/Constants.java
index ac1dbe10a8a4..db63c4439719 100644
--- a/components/flow-orchestration-framework/org.wso2.carbon.identity.flow.execution.engine/src/main/java/org/wso2/carbon/identity/flow/execution/engine/Constants.java
+++ b/components/flow-orchestration-framework/org.wso2.carbon.identity.flow.execution.engine/src/main/java/org/wso2/carbon/identity/flow/execution/engine/Constants.java
@@ -33,6 +33,7 @@ public class Constants {
     public static final String PASSWORD_KEY = "password";
     public static final String CONSENT_KEY = "consent";
     public static final String PREFERENCE_KEY = "preference";
+    public static final String ANONYMOUS_PROFILE_TRACKER = "anonymous_profile_tracker";
     // Constants for DataDTO parameters.
     public static final String REDIRECT_URL = "redirectUrl";
     public static final String VALIDATIONS = "validations";
diff --git a/components/flow-orchestration-framework/org.wso2.carbon.identity.flow.execution.engine/src/main/java/org/wso2/carbon/identity/flow/execution/engine/FlowExecutionService.java b/components/flow-orchestration-framework/org.wso2.carbon.identity.flow.execution.engine/src/main/java/org/wso2/carbon/identity/flow/execution/engine/FlowExecutionService.java
index cd9d3d9bf8f0..3cf7c62bd792 100644
--- a/components/flow-orchestration-framework/org.wso2.carbon.identity.flow.execution.engine/src/main/java/org/wso2/carbon/identity/flow/execution/engine/FlowExecutionService.java
+++ b/components/flow-orchestration-framework/org.wso2.carbon.identity.flow.execution.engine/src/main/java/org/wso2/carbon/identity/flow/execution/engine/FlowExecutionService.java
@@ -43,6 +43,7 @@
 import java.util.HashMap;
 import java.util.Map;
 
+import static org.wso2.carbon.identity.flow.execution.engine.Constants.ANONYMOUS_PROFILE_TRACKER;
 import static org.wso2.carbon.identity.flow.execution.engine.Constants.OTFI;
 import static org.wso2.carbon.identity.flow.execution.engine.Constants.STATUS_COMPLETE;
 import static org.wso2.carbon.identity.flow.mgt.Constants.FlowTypes.REGISTRATION;
@@ -93,8 +94,9 @@ public FlowExecutionStep executeFlow(String tenantDomain, String applicationId,
         FlowExecutionContext context = null;
         boolean isFlowEnteredInIdentityContext = false;
         GraphConfig graphConfig = null;
+        boolean isInitiation = StringUtils.isBlank(flowId);
         try {
-            if (StringUtils.isBlank(flowId)) {
+            if (isInitiation) {
                 // No flowId present hence initiate the flow.
                 context = FlowExecutionEngineUtils.initiateContext(tenantDomain, applicationId, flowType);
             } else {
@@ -120,6 +122,15 @@ public FlowExecutionStep executeFlow(String tenantDomain, String applicationId,
                 context.getUserInputData().putAll(inputs);
             }
 
+            // On the initial request of the registration flow, move the anonymous_profile_tracker value (if
+            // provided) from the user inputs into the flow context properties so that it is retained throughout
+            // the flow and not treated as a user input during the subsequent input validations.
+            if (isInitiation && REGISTRATION.getType().equals(context.getFlowType())
+                    && context.getUserInputData().containsKey(ANONYMOUS_PROFILE_TRACKER)) {
+                context.setProperty(ANONYMOUS_PROFILE_TRACKER,
+                        context.getUserInputData().remove(ANONYMOUS_PROFILE_TRACKER));
+            }
+
             context.setCurrentActionId(actionId);
             for (FlowExecutionListener listener :
                     FlowExecutionEngineDataHolder.getInstance().getFlowListeners()) {