diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/connection/ConnectionRecordMapper.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/connection/ConnectionRecordMapper.xml
index ec077db7f..2b873bb9a 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/connection/ConnectionRecordMapper.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/connection/ConnectionRecordMapper.xml
@@ -90,7 +90,7 @@
     <!-- Search for specific connection records -->
     <select id="search" resultMap="ConnectionRecordResultMap">
 
-        SELECT
+        SELECT TOP (#{limit,jdbcType=INTEGER})
             [guacamole].[connection_history].connection_id,
             [guacamole].[connection_history].connection_name,
             [guacamole].[connection_history].remote_host,
@@ -139,14 +139,12 @@
             <if test="sortPredicate.descending">DESC</if>
         </foreach>
 
-        LIMIT #{limit,jdbcType=INTEGER}
-
     </select>
 
     <!-- Search for specific connection records -->
     <select id="searchReadable" resultMap="ConnectionRecordResultMap">
 
-        SELECT
+        SELECT TOP (#{limit,jdbcType=INTEGER})
             [guacamole].[connection_history].connection_id,
             [guacamole].[connection_history].connection_name,
             [guacamole].[connection_history].remote_host,
@@ -209,8 +207,6 @@
             <if test="sortPredicate.descending">DESC</if>
         </foreach>
 
-        LIMIT #{limit,jdbcType=INTEGER}
-
     </select>
 
 </mapper>
diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/ConnectionGroupPermissionMapper.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/ConnectionGroupPermissionMapper.xml
index 2890ab31d..a7998880a 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/ConnectionGroupPermissionMapper.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/ConnectionGroupPermissionMapper.xml
@@ -117,12 +117,10 @@
                        #{permission.objectIdentifier,jdbcType=INTEGER} AS connection_group_id
             </foreach>
         AS permissions
-        WHERE (user_id, permission, connection_group_id) NOT IN (
-            SELECT
-                [guacamole].[connection_group_permission].user_id,
-                [guacamole].[connection_group_permission].permission,
-                [guacamole].[connection_group_permission].connection_group_id
-            FROM [guacamole].[connection_group_permission]
+        WHERE NOT EXISTS (SELECT 1 FROM [guacamole].[connection_group_permission]
+            WHERE [guacamole].[connection_group_permission].user_id = permissions.user_id AND
+            [guacamole].[connection_group_permission].permission = permissions.permission AND
+            [guacamole].[connection_group_permission].connection_group_id = permissions.connection_group_id
         );
 
     </insert>
diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/ConnectionPermissionMapper.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/ConnectionPermissionMapper.xml
index 8ea85bc3c..08e875ccb 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/ConnectionPermissionMapper.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/ConnectionPermissionMapper.xml
@@ -87,12 +87,12 @@
     <delete id="delete" parameterType="org.apache.guacamole.auth.jdbc.permission.ObjectPermissionModel">
 
         DELETE FROM [guacamole].[connection_permission]
-        WHERE (user_id, permission, connection_id) IN
+        WHERE
             <foreach collection="permissions" item="permission"
-                     open="(" separator="," close=")">
-                (#{permission.userID,jdbcType=INTEGER},
-                 #{permission.type,jdbcType=VARCHAR},
-                 #{permission.objectIdentifier,jdbcType=INTEGER})
+                     open="(" separator=" OR " close=")">
+                (user_id = #{permission.userID,jdbcType=INTEGER} AND
+                 permission = #{permission.type,jdbcType=VARCHAR} AND
+                 connection_id = #{permission.objectIdentifier,jdbcType=INTEGER})
             </foreach>
 
     </delete>
@@ -117,12 +117,10 @@
                        #{permission.objectIdentifier,jdbcType=INTEGER} AS connection_id
             </foreach>
         AS permissions
-        WHERE (user_id, permission, connection_id) NOT IN (
-            SELECT
-                [guacamole].[connection_permission].user_id,
-                [guacamole].[connection_permission].permission,
-                [guacamole].[connection_permission].connection_id
-            FROM [guacamole].[connection_permission]
+        WHERE NOT EXISTS ( SELECT 1 FROM [guacamole].[connection_permission]
+            WHERE [guacamole].[connection_permission].user_id = permissions.user_id AND
+            [guacamole].[connection_permission].permission = permissions.permission AND
+            [guacamole].[connection_permission].connection_id = permissions.connection_id
         );
 
     </insert>
diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/SharingProfilePermissionMapper.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/SharingProfilePermissionMapper.xml
index cb706b8d4..354dfb594 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/SharingProfilePermissionMapper.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/SharingProfilePermissionMapper.xml
@@ -87,12 +87,12 @@
     <delete id="delete" parameterType="org.apache.guacamole.auth.jdbc.permission.ObjectPermissionModel">
 
         DELETE FROM [guacamole].[sharing_profile_permission]
-        WHERE (user_id, permission, sharing_profile_id) IN
+        WHERE
             <foreach collection="permissions" item="permission"
-                     open="(" separator="," close=")">
-                (#{permission.userID,jdbcType=INTEGER},
-                 #{permission.type,jdbcType=VARCHAR},
-                 #{permission.objectIdentifier,jdbcType=INTEGER})
+                     open="(" separator=" OR " close=")">
+                (user_id = #{permission.userID,jdbcType=INTEGER} AND
+                 permission = #{permission.type,jdbcType=VARCHAR} AND
+                 sharing_profile_id = #{permission.objectIdentifier,jdbcType=INTEGER})
             </foreach>
 
     </delete>
@@ -117,12 +117,10 @@
                        #{permission.objectIdentifier,jdbcType=INTEGER} AS sharing_profile_id
             </foreach>
         AS permissions
-        WHERE (user_id, permission, sharing_profile_id) NOT IN (
-            SELECT
-                [guacamole].[sharing_profile_permission].user_id,
-                [guacamole].[sharing_profile_permission].permission,
-                [guacamole].[sharing_profile_permission].sharing_profile_id
-            FROM [guacamole].[sharing_profile_permission]
+        WHERE NOT EXISTS (SELECT 1 FROM [guacamole].[sharing_profile_permission]
+            WHERE [guacamole].[sharing_profile_permission].user_id = permissions.user_id
+            AND [guacamole].[sharing_profile_permission].permission = permissions.permission
+            AND [guacamole].[sharing_profile_permission].sharing_profile_id = permissions.sharing_profile_id
         );
 
     </insert>
diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/SystemPermissionMapper.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/SystemPermissionMapper.xml
index d9e622b69..048877922 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/SystemPermissionMapper.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/SystemPermissionMapper.xml
@@ -63,11 +63,11 @@
     <delete id="delete" parameterType="org.apache.guacamole.auth.jdbc.permission.SystemPermissionModel">
 
         DELETE FROM [guacamole].[system_permission]
-        WHERE (user_id, permission) IN
+        WHERE
             <foreach collection="permissions" item="permission"
-                     open="(" separator="," close=")">
-                (#{permission.userID,jdbcType=INTEGER},
-                 #{permission.type,jdbcType=VARCHAR})
+                     open="(" separator=" OR " close=")">
+                     (user_id = #{permission.userID,jdbcType=INTEGER}
+                      AND permission = #{permission.type,jdbcType=VARCHAR})
             </foreach>
 
     </delete>
@@ -89,11 +89,9 @@
                        #{permission.type,jdbcType=VARCHAR} AS permission
             </foreach>
         AS permissions
-        WHERE (user_id, permission) NOT IN (
-            SELECT
-                [guacamole].[system_permission].user_id,
-                [guacamole].[system_permission].permission
-            FROM [guacamole].[system_permission]
+        WHERE NOT EXISTS (SELECT 1 FROM [guacamole].[system_permission]
+            WHERE [guacamole].[system_permission].user_id = permissions.user_id
+            AND [guacamole].[system_permission].permission = permissions.permission
         );
 
     </insert>
diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/UserPermissionMapper.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/UserPermissionMapper.xml
index 595c3263d..606719dcf 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/UserPermissionMapper.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/permission/UserPermissionMapper.xml
@@ -124,12 +124,10 @@
             </foreach>
         AS permissions
         JOIN [guacamole].[user] ON [guacamole].[user].username = permissions.username
-        WHERE (permissions.user_id, permissions.permission, [guacamole].[user].user_id) NOT IN (
-            SELECT
-                [guacamole].[user_permission].user_id,
-                [guacamole].[user_permission].permission,
-                [guacamole].[user_permission].affected_user_id
-            FROM [guacamole].[user_permission]
+        WHERE NOT EXISTS (SELECT 1 FROM [guacamole].[user_permission]
+            WHERE [guacamole].[user_permission].user_id = permissions.user_id
+            AND [guacamole].[user_permission].permission = permissions.permission
+            AND [guacamole].[user_permission].affected_user_id = [guacamole].[user].user_id
         );
 
     </insert>
diff --git a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/sharingprofile/SharingProfileParameterMapper.xml b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/sharingprofile/SharingProfileParameterMapper.xml
index 8835350b7..8f4a3fa10 100644
--- a/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/sharingprofile/SharingProfileParameterMapper.xml
+++ b/extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-sqlserver/src/main/resources/org/apache/guacamole/auth/jdbc/sharingprofile/SharingProfileParameterMapper.xml
@@ -57,7 +57,7 @@
         )
         VALUES 
             <foreach collection="parameters" item="parameter" separator=",">
-                (#{parameter.sharingProfileIdentifier,jdbcType=INTEGER}
+                (#{parameter.sharingProfileIdentifier,jdbcType=INTEGER},
                  #{parameter.name,jdbcType=VARCHAR},
                  #{parameter.value,jdbcType=VARCHAR})
             </foreach>