diff --git a/ActiveSync/SOGoActiveSyncDispatcher.m b/ActiveSync/SOGoActiveSyncDispatcher.m
index f81e1b462c..e0727a353c 100644
--- a/ActiveSync/SOGoActiveSyncDispatcher.m
+++ b/ActiveSync/SOGoActiveSyncDispatcher.m
@@ -4158,7 +4158,7 @@ - (NSException *) dispatchRequest: (id) theRequest
  return_response:
   [theResponse setHeader: @"14.1"  forKey: @"MS-Server-ActiveSync"];
   [theResponse setHeader: @"Sync,SendMail,SmartForward,SmartReply,GetAttachment,GetHierarchy,CreateCollection,DeleteCollection,MoveCollection,FolderSync,FolderCreate,FolderDelete,FolderUpdate,MoveItems,GetItemEstimate,MeetingResponse,Search,Settings,Ping,ItemOperations,ResolveRecipients,ValidateCert"  forKey: @"MS-ASProtocolCommands"];
-  [theResponse setHeader: @"2.5,12.0,12.1,14.0,14.1,16.0"  forKey: @"MS-ASProtocolVersions"];
+  [theResponse setHeader: @"2.5,12.0,12.1,14.0,14.1"  forKey: @"MS-ASProtocolVersions"];
 
   if (debugOn && [[theResponse headerForKey: @"Content-Type"] isEqualToString:@"application/vnd.ms-sync.wbxml"] && [[theResponse content] length] && !([(WOResponse *)theResponse status] == 500))
     [self logWithFormat: @"EAS - response for device %@: %@", [context objectForKey: @"DeviceId"], [[[NSString alloc] initWithData: [[theResponse content] wbxml2xml] encoding: NSUTF8StringEncoding] autorelease]];
diff --git a/ActiveSync/SoObjectWebDAVDispatcher+ActiveSync.m b/ActiveSync/SoObjectWebDAVDispatcher+ActiveSync.m
index 904dae0f18..7196ff0022 100644
--- a/ActiveSync/SoObjectWebDAVDispatcher+ActiveSync.m
+++ b/ActiveSync/SoObjectWebDAVDispatcher+ActiveSync.m
@@ -61,7 +61,7 @@ - (id) doOPTIONS:(WOContext *)_ctx
       [response setHeader: @"private"  forKey: @"Cache-Control"];
       [response setHeader: @"OPTIONS, POST"  forKey: @"Allow"];
       [response setHeader: @"14.1"  forKey: @"MS-Server-ActiveSync"];
-      [response setHeader: @"2.5,12.0,12.1,14.0,14.1,16.0"  forKey: @"MS-ASProtocolVersions"];
+      [response setHeader: @"2.5,12.0,12.1,14.0,14.1"  forKey: @"MS-ASProtocolVersions"];
       [response setHeader: @"Sync,SendMail,SmartForward,SmartReply,GetAttachment,GetHierarchy,CreateCollection,DeleteCollection,MoveCollection,FolderSync,FolderCreate,FolderDelete,FolderUpdate,MoveItems,GetItemEstimate,MeetingResponse,Search,Settings,Ping,ItemOperations,ResolveRecipients,ValidateCert"  forKey: @"MS-ASProtocolCommands"];
       [response setHeader: @"OPTIONS, POST"  forKey: @"Public"];
     }