DOCUMENT:Q175957 10-AUG-2001 [winnt] TITLE :Event ID 5770 When Installing New Member Server PRODUCT :Microsoft Windows NT PROD/VER:WinNT:3.5,3.51,4.0 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Workstation versions 3.5, 3.51, 4.0 - Microsoft Windows NT Server versions 3.5, 3.51, 4.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When you attempt to add a new server computer to a Windows NT domain, the operation fails. Event ID 5770 appears in the event log: The session setup to the Windows NT Domain Controller from computer using account failed. is declared to be a BDC in domain . However, tried to connect as either a DC in a trusted domain, a member workstation in domain , or as a server in domain . Use the Server Manager to remove the BDC account for . CAUSE ===== The name you are trying to use was previously in use by a LAN Manager domain controller. The machine name MACHINENAME$ exists in the domain accounts database, having been migrated from the LAN Manager accounts database. RESOLUTION ========== Using User Manager for Domains, delete the MACHINENAME$ account from the domain accounts database. Reset the machine account, if necessary, by deleting and recreating it in Server Manager. Additional query words: lanman lan manager error ====================================================================== Keywords : Technology : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT351search kbWinNT350search kbWinNT400search kbWinNTW350 kbWinNTW350search kbWinNTW351search kbWinNTW351 kbWinNTSsearch kbWinNTS400search kbWinNTS400 kbWinNTS351 kbWinNTS350 kbWinNTS351search kbWinNTS350search Version : WinNT:3.5,3.51,4.0 Hardware : x86 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 2001.