Index: win_installer/updater/src/ant/build.xml
===================================================================
diff -u -rfe17735873ac29e13918c73eaa05b88547ea78bc -r4133d4a50a076876e19024fe114838a542442256
--- win_installer/updater/src/ant/build.xml	(.../build.xml)	(revision fe17735873ac29e13918c73eaa05b88547ea78bc)
+++ win_installer/updater/src/ant/build.xml	(.../build.xml)	(revision 4133d4a50a076876e19024fe114838a542442256)
@@ -84,7 +84,17 @@
 			encoding="utf8">
 			<transaction src="${TEMP}/dump.sql" />
 			<transaction src="${TEMP}/lams/update_lams_configuration.sql" />
-			<transaction src="${TEMP}/lams/removeConfigs.sql" />
 		</sql>
-	</target>	
+		
+		<!-- Make this script failable -->
+        <sql driver="com.mysql.jdbc.Driver" 
+            classpath="${EARDIR}/mysql-connector-java-3.1.12-bin.jar" 
+            url="jdbc:mysql://${MYSQL_HOST}:${MYSQL_PORT}/${DB_NAME}?characterEncoding=UTF-8" 
+            userid="${DB_USER}" 
+            password="${DB_PASS}"
+            encoding="utf8"
+            onerror="continue">
+            <transaction src="${TEMP}/removeConfigs.sql" />
+        </sql>
+    </target>	
 </project>
\ No newline at end of file
Index: win_installer/updater/src/sql/removeConfigs.sql
===================================================================
diff -u -rce527ca7142b00c27f254eba5e868c3712cedd06 -r4133d4a50a076876e19024fe114838a542442256
--- win_installer/updater/src/sql/removeConfigs.sql	(.../removeConfigs.sql)	(revision ce527ca7142b00c27f254eba5e868c3712cedd06)
+++ win_installer/updater/src/sql/removeConfigs.sql	(.../removeConfigs.sql)	(revision 4133d4a50a076876e19024fe114838a542442256)
@@ -17,14 +17,14 @@
 delete from lams_qtz_TRIGGERS;
 delete from lams_qtz_JOB_DETAILS;
 
--- From 2.2 onwards. WINDOWS ONLY. Make sure quatz tables are set as capitals
+-- From 2.2 onwards. WINDOWS ONLY. Make sure quartz tables are set as capitals
 rename table lams_qtz_blob_triggers to lams_qtz_BLOB_TRIGGERS;
 rename table lams_qtz_calendars to lams_qtz_CALENDARS;
 rename table lams_qtz_cron_triggers to lams_qtz_CRON_TRIGGERS;
 rename table lams_qtz_fired_triggers to lams_qtz_FIRED_TRIGGERS;
 rename table lams_qtz_job_details to lams_qtz_JOB_DETAILS;
 rename table lams_qtz_job_listeners to lams_qtz_JOB_LISTENERS;
-rename table lams_qtz_locks to ams_qtz_LOCKS;
+rename table lams_qtz_locks to lams_qtz_LOCKS;
 rename table lams_qtz_paused_trigger_grps to lams_qtz_PAUSED_TRIGGER_GRPS;
 rename table lams_qtz_scheduler_state to lams_qtz_SCHEDULER_STATE;
 rename table lams_qtz_simple_triggers to lams_qtz_SIMPLE_TRIGGERS;