Index: exchange-core/src/main/java/com/funambol/exchange/items/accessor/ews/CalendarEwsExchangeAccessor.java
===================================================================
--- exchange-core/src/main/java/com/funambol/exchange/items/accessor/ews/CalendarEwsExchangeAccessor.java       (revision 513)
+++ exchange-core/src/main/java/com/funambol/exchange/items/accessor/ews/CalendarEwsExchangeAccessor.java       (working copy)
@@ -40,10 +40,14 @@
     protected Date since;
     protected Date until;

+    protected boolean suppressItemFailures;
+
     public CalendarEwsExchangeAccessor(ExchangeUser exuser) {
         super(exuser);
+
         since = null;
         until = null;
+        suppressItemFailures = false;
     }

     /**
@@ -73,6 +77,10 @@
         this.until = until;
     }

+    public void setSuppressItemErrors(boolean suppressItemFailures) {
+        this.suppressItemFailures = suppressItemFailures;
+    }
+
     /**
      * Add the attendees in the EWS array of attendee objects to the given ExchangeCalendar.
      *
@@ -110,7 +118,7 @@
                     exchangeItems.addAll(getOccurrencesFromCalendar(calendar));
                 }
                 ExchangeCalendar exchCal = getExchangeCalendarFromCalendarItem(calendar);
-                if (eventCouldOccurInRange(exchCal)) {
+                if (exchCal != null && eventCouldOccurInRange(exchCal)) {
                     exchangeItems.add(exchCal);
                 }
             }
@@ -132,7 +140,7 @@
             for (OccurrenceInfoType occurrence : modified.getOccurrence()) {
                 CalendarItemType calOccurrence = (CalendarItemType) getItem(occurrence.getItemId());
                 ExchangeCalendar exchCal = getExchangeCalendarFromCalendarItem(calOccurrence);
-                if (eventCouldOccurInRange(exchCal)) {
+                if (exchCal != null && eventCouldOccurInRange(exchCal)) {
                     exchangeItems.add(exchCal);
                 }
             }
@@ -498,6 +506,29 @@

         return recurType;
     }
+
+    /**
+     * Get the Exchange calendar from the given calendar item while checking for errors. If an error
+     * is encountered and error supressing is on, return null.
+     *
+     * @param cal The EWS item to get the Exchange calendar from
+     * @return An ExchangeCalendar or null
+     * @throws DataAccessException when the calendar item cannot be converted and errors are not
+     *         suppressed
+     */
+    protected ExchangeCalendar getExchangeCalendarFromCalendarItem(CalendarItemType cal) throws DataAccessException {
+        ExchangeCalendar exchCal;
+        try {
+            exchCal = convertCalendarItem(cal);
+        } catch (DataAccessException e) {
+            if (!suppressItemFailures) {
+                throw e;
+            } else {
+                exchCal = null;
+            }
+        }
+        return exchCal;
+    }

     /**
      * Convert an EWS calendar to an ExchangeCalendar.
@@ -506,7 +537,7 @@
      * @return An ExchangeCalendar version of the given EWS calendar
      * @throws DataAccessException
      */
-    protected ExchangeCalendar getExchangeCalendarFromCalendarItem(CalendarItemType cal) throws DataAccessException {
+    protected ExchangeCalendar convertCalendarItem(CalendarItemType cal) throws DataAccessException {
         String id = cal.getItemId().getId();
         String lastModifiedString = getLastModifiedTimeFromItem(cal);