Server: NW65SP8
Version 2.7.3 (20090916_090939)
Copyright (c) 1999-2009 Novell, Inc.
All rights reserved.
Field Patches:
Field Patch 1 -- 20090916

imanager plugin: "DNS Management Allows management of DNS"

Problem: can not modify DNS..
Example: "View/Modify Zone" and change "Specify Serial Number: "
from: 2009092421 to 2010031801
Next..Next..Next.. press Done and have this error:

Error: The Modify DNS Zone request failed
eDirectory Error: eDirectory interaction failure.

Please, Help me.