diff --git a/core/src/main/java/com/github/games647/fastlogin/core/shared/FloodgateManagement.java b/core/src/main/java/com/github/games647/fastlogin/core/shared/FloodgateManagement.java
index f0c27651..4ca3b694 100644
--- a/core/src/main/java/com/github/games647/fastlogin/core/shared/FloodgateManagement.java
+++ b/core/src/main/java/com/github/games647/fastlogin/core/shared/FloodgateManagement.java
@@ -80,6 +80,38 @@ public abstract class FloodgateManagement<P extends C, C, L extends LoginSession
         }
 
         profile = core.getStorage().loadProfile(username);
+
+        if (profile.isSaved()) {
+            if (!profile.isFloodgateMigrated()) {
+                if (isLinked) {
+                    profile.setFloodgate(FloodgateState.LINKED);
+                    core.getPlugin().getLog().info(
+                            "Player {} will be migrated to the v2 database schema as a linked Floodgate user",
+                            username);
+                } else {
+                    profile.setFloodgate(FloodgateState.TRUE);
+                    core.getPlugin().getLog().info(
+                            "Player {} will be migrated to the v2 database schema as a Floodgate user", username);
+                }
+            } else if (profile.getFloodgate() == FloodgateState.TRUE && isLinked) {
+                core.getPlugin().getLog()
+                        .info("Player {} is already stored by FastLogin as a non-linked Bedrock Edition player",
+                                username);
+                return;
+            } else if (profile.getFloodgate() == FloodgateState.FALSE && isLinked) {
+                profile.setFloodgate(FloodgateState.LINKED);
+                core.getPlugin().getLog().info(
+                        "Player {} will be changed from a Java player to a linked Floodgate player",
+                        username);
+            }
+        } else {
+            if (isLinked) {
+                profile.setFloodgate(FloodgateState.LINKED);
+            } else {
+                profile.setFloodgate(FloodgateState.TRUE);
+            }
+        }
+
         AuthPlugin<P> authPlugin = core.getAuthPluginHook();
 
         try {
@@ -119,13 +151,17 @@ public abstract class FloodgateManagement<P extends C, C, L extends LoginSession
             }
         }
 
+        // defer auto registration, if it's not enabled in the config
         if (!isRegistered && !isAutoAuthAllowed(autoRegisterFloodgate)) {
             return;
         }
 
-        //logging in from bedrock for a second time threw an error with UUID
-        if (profile == null) {
-            profile = new StoredProfile(getUUID(player), username, true, getAddress(player).toString());
+        // stop the auto login procedure, if the current connection's parameters don't match the one stored in our
+        // database
+        // ex. we stored a LINKED account, but the current connection is not linked
+        if ((profile.getFloodgate() == FloodgateState.LINKED && !isLinked)
+            || (profile.getFloodgate() == FloodgateState.TRUE && isLinked)) {
+            return;
         }
 
         //start Bukkit/Bungee specific tasks
diff --git a/core/src/main/java/com/github/games647/fastlogin/core/shared/FloodgateState.java b/core/src/main/java/com/github/games647/fastlogin/core/shared/FloodgateState.java
index 874deb9b..caa867fa 100644
--- a/core/src/main/java/com/github/games647/fastlogin/core/shared/FloodgateState.java
+++ b/core/src/main/java/com/github/games647/fastlogin/core/shared/FloodgateState.java
@@ -3,7 +3,7 @@
  *
  * The MIT License (MIT)
  *
- * Copyright (c) 2015-2022 games647 and contributors
+ * Copyright (c) 2015-2023 games647 and contributors
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
diff --git a/core/src/main/java/com/github/games647/fastlogin/core/shared/JoinManagement.java b/core/src/main/java/com/github/games647/fastlogin/core/shared/JoinManagement.java
index 75b9f500..013dd3ca 100644
--- a/core/src/main/java/com/github/games647/fastlogin/core/shared/JoinManagement.java
+++ b/core/src/main/java/com/github/games647/fastlogin/core/shared/JoinManagement.java
@@ -49,17 +49,31 @@ public abstract class JoinManagement<P extends C, C, S extends LoginSource> {
 
     public void onLogin(String username, S source) {
         core.getPlugin().getLog().info("Handling player {}", username);
+
+        //check if the player is connecting through Bedrock Edition
+        if (bedrockService != null && bedrockService.isBedrockConnection(username)) {
+            //perform Bedrock specific checks
+            if (bedrockService.performChecks(username, source)) {
+                //skip Java checks, since they are not needed
+                return;
+            }
+        }
+
         StoredProfile profile = core.getStorage().loadProfile(username);
+
+        //can't be a premium Java player, if it's not saved in the database
         if (profile == null) {
             return;
         }
 
-        //check if the player is connecting through Bedrock Edition
-        if (bedrockService != null && bedrockService.isBedrockConnection(username)) {
-            //perform Bedrock specific checks and skip Java checks, if they are not needed
-            if (bedrockService.performChecks(username, source)) {
-                return;
-            }
+        if (!profile.isFloodgateMigrated()) {
+            profile.setFloodgate(FloodgateState.FALSE);
+            core.getPlugin().getLog().info(
+                    "Player {} will be migrated to the v2 database schema as a JAVA user", username);
+        } else if (profile.getFloodgate() == FloodgateState.TRUE) {
+            core.getPlugin().getLog().info("Player {} is already stored by FastLogin as a Bedrock Edition player",
+                    username);
+            return;
         }
 
         callFastLoginPreLoginEvent(username, source, profile);
@@ -139,6 +153,12 @@ public abstract class JoinManagement<P extends C, C, S extends LoginSource> {
         if (core.getConfig().get("nameChangeCheck", false)) {
             StoredProfile storedProfile = core.getStorage().loadProfile(profile.getId());
             if (storedProfile != null) {
+                if (storedProfile.getFloodgate() == FloodgateState.TRUE) {
+                    core.getPlugin().getLog()
+                            .info("Player {} is already stored by FastLogin as a Bedrock Edition player.", username);
+                    return false;
+                }
+
                 //uuid exists in the database
                 core.getPlugin().getLog().info("GameProfile {} changed it's username", profile);
 
diff --git a/core/src/main/java/com/github/games647/fastlogin/core/storage/SQLStorage.java b/core/src/main/java/com/github/games647/fastlogin/core/storage/SQLStorage.java
index f10a0796..ade10a40 100644
--- a/core/src/main/java/com/github/games647/fastlogin/core/storage/SQLStorage.java
+++ b/core/src/main/java/com/github/games647/fastlogin/core/storage/SQLStorage.java
@@ -26,7 +26,6 @@
 package com.github.games647.fastlogin.core.storage;
 
 import com.github.games647.craftapi.UUIDAdapter;
-import com.github.games647.fastlogin.core.StoredProfile;
 import com.github.games647.fastlogin.core.shared.FloodgateState;
 import com.zaxxer.hikari.HikariConfig;
 import com.zaxxer.hikari.HikariDataSource;