diff --git a/OpenChange/MAPIStoreMapping.h b/OpenChange/MAPIStoreMapping.h
index 22ba052d3..0b1aa3f53 100644
--- a/OpenChange/MAPIStoreMapping.h
+++ b/OpenChange/MAPIStoreMapping.h
@@ -53,6 +53,8 @@
 - (uint64_t) idFromURL: (NSString *) url;
 - (BOOL) registerURL: (NSString *) urlString
               withID: (uint64_t) idNbr;
+- (void) registerURLs: (NSArray *) urlString
+              withIDs: (struct UI8Array_r *) idNbrs;
 - (void) unregisterURLWithID: (uint64_t) idNbr;
 - (void) updateID: (uint64_t) idNbr
           withURL: (NSString *) urlString;
diff --git a/OpenChange/MAPIStoreMapping.m b/OpenChange/MAPIStoreMapping.m
index 7e8dca116..770721b23 100644
--- a/OpenChange/MAPIStoreMapping.m
+++ b/OpenChange/MAPIStoreMapping.m
@@ -333,6 +333,25 @@ MAPIStoreMappingTDBTraverse (TDB_CONTEXT *ctx, TDB_DATA data1, TDB_DATA data2,
   return rc;
 }
 
+- (void) registerURLs: (NSArray *) urlStrings
+              withIDs: (struct UI8Array_r *) idNbrs
+{
+  uint64_t count, max;
+
+  max = [urlStrings count];
+  if (max == idNbrs->cValues)
+    {
+      tdb_transaction_start (indexing->tdb);
+      for (count = 0; count < max; count++)
+        [self registerURL: [urlStrings objectAtIndex: count]
+                   withID: idNbrs->lpui8[count]];
+      tdb_transaction_commit (indexing->tdb);
+    }
+  else
+    [NSException raise: NSInvalidArgumentException
+                format: @"number of urls and ids do not match"];
+}
+
 - (void) unregisterURLWithID: (uint64_t) idNbr
 {
   NSString *urlString;