diff --git a/extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/UserDirectory.java b/extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/UserDirectory.java
index b22124f0d..e04905177 100644
--- a/extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/UserDirectory.java
+++ b/extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/UserDirectory.java
@@ -405,12 +405,12 @@ public class UserDirectory implements Directory<String, net.sourceforge.guacamol
 
         // Get list of administerable connection IDs
         List<Integer> administerableConnectionIDs =
-            permissionCheckService.retrieveUserIDs(this.user_id,
+            permissionCheckService.retrieveConnectionIDs(this.user_id,
                 MySQLConstants.CONNECTION_ADMINISTER);
 
         // Get set of names corresponding to administerable connections
         Map<String, Integer> administerableConnections =
-                userService.translateUsernames(administerableConnectionIDs);
+                connectionService.translateNames(administerableConnectionIDs);
 
         // Insert all given permissions
         for (ConnectionPermission permission : permissions) {
diff --git a/extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/service/PermissionCheckService.java b/extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/service/PermissionCheckService.java
index c159e1599..a2dcd3731 100644
--- a/extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/service/PermissionCheckService.java
+++ b/extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/service/PermissionCheckService.java
@@ -290,7 +290,7 @@ public class PermissionCheckService {
             // Construct permission from data
             UserPermission permission = new UserPermission(
                 UserPermission.Type.valueOf(userPermission.getPermission()),
-                affectedUsers.get(userPermission.getUser_id())
+                affectedUsers.get(userPermission.getAffected_user_id())
             );
 
             // Add to set
@@ -327,7 +327,7 @@ public class PermissionCheckService {
             connectionIDs.add(connectionPermission.getConnection_id());
 
         // Get corresponding names
-        Map<Integer, String> affectedUsers =
+        Map<Integer, String> affectedConnections =
                 connectionService.retrieveNames(connectionIDs);
 
         // Add connection permissions
@@ -336,7 +336,7 @@ public class PermissionCheckService {
             // Construct permission from data
             ConnectionPermission permission = new ConnectionPermission(
                 ConnectionPermission.Type.valueOf(connectionPermission.getPermission()),
-                affectedUsers.get(connectionPermission.getUser_id())
+                affectedConnections.get(connectionPermission.getConnection_id())
             );
 
             // Add to set
diff --git a/extensions/guacamole-auth-mysql/src/main/resources/generatorConfig.xml b/extensions/guacamole-auth-mysql/src/main/resources/generatorConfig.xml
index fed85030c..c15ad15ce 100644
--- a/extensions/guacamole-auth-mysql/src/main/resources/generatorConfig.xml
+++ b/extensions/guacamole-auth-mysql/src/main/resources/generatorConfig.xml
@@ -32,6 +32,8 @@
             domainObjectName="Connection" >
             <property name="useActualColumnNames" value="true"/>
             <property name="ignoreQualifiersAtRuntime" value="true"/>
+            <generatedKey column="connection_id" identity="true"
+                sqlStatement="SELECT LAST_INSERT_ID()"/>
         </table>
 
         <table tableName="guacamole_connection_parameter"
@@ -64,6 +66,8 @@
             domainObjectName="User" >
             <property name="useActualColumnNames" value="true"/>
             <property name="ignoreQualifiersAtRuntime" value="true"/>
+            <generatedKey column="user_id" identity="true"
+                sqlStatement="SELECT LAST_INSERT_ID()"/>
         </table>
 
         <table tableName="guacamole_user_permission"