DOCUMENT:Q197488 01-MAR-2002 [winnt] TITLE :Access Denied When Synchronizing or Promoting a BDC PRODUCT :Microsoft Windows NT PROD/VER::4.0 OPER/SYS: KEYWORDS:kbnetwork ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Server version 4.0 ------------------------------------------------------------------------------- SYMPTOMS ======== You receive an "Access Denied" error message when you attempt to promote and/or synchronize a backup domain controller (BDC) to primary domain controller (PDC) after you apply Service Pack 4 to one or more domain controllers. This error message occurs if you attempt to perform the promotion from a domain controller running Windows NT 4.0 Service Pack 3 (SP3). This issue also occurs if you attempt to perform the synchronization from a PDC running SP3 to a BDC running Windows NT 4.0 Service Pack 4. CAUSE ===== Windows NT 4.0 Service Pack 4 upgrades Windows NT 4.0 security making synchronization from a computer running Windows NT 4.0 Service Pack 3 impossible. This upgrade also makes promoting a domain controller from a computer running Windows NT 4.0 Service Pack 3 impossible. RESOLUTION ========== To resolve this problem, upgrade the PDC to Windows NT 4.0 Service Pack 4. MORE INFORMATION ================ Note that a Windows NT 3.51 SP5 backup domain controller will have the same behavior as a Windows NT 4.0 SP3 backup domain controller. Additional query words: SP3 SP4 Server Manager ====================================================================== Keywords : kbnetwork Technology : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbWinNTS400 Version : :4.0 Issue type : kbprb ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2002.