"Lsass.exe-System error The endpoint format is invalid" error message when you log on to a computer that is running Microsoft Exchange Server 2003 and either Windows Server 2000 or Windows Server 2003 (893712)


The information in this article applies to:

  • Microsoft Windows Server 2003, Standard Edition
  • Microsoft Windows Server 2003, Enterprise Edition
  • Microsoft Windows Server 2003, Datacenter Edition
  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Advanced Server
  • Microsoft Windows 2000 Professional
  • Microsoft Windows 2000 Datacenter Server
Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows registry

SYMPTOMS

When you log on to a computer that is running Microsoft Exchange Server 2003 and either Microsoft Windows Server 2000 or Microsoft Windows Server 2003, you may receive the following error message:
Lsass.exe-System error The end point format is invalid

CAUSE

This problem typically occurs when the /3GB switch or the /PAE switch is present in the Boot.ini file. When one of these switches is present, the computer may run out of available system page table entries.

WORKAROUND

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

To work around this issue, restart your computer in Safe Mode. To restart your computer in Safe Mode, press F8 when the computer starts. Then, when the computer is in Safe Mode, add the System Pages entry to the following registry subkey:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Memory Management

To add this registry entry, follow these steps:
  1. Log on by using an account that has administrative credentials.
  2. Click Start, click Run, type regedit, and then click OK.
  3. In Registry Editor, locate and then click the following registry subkey:

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management

  4. On the Edit menu, point to New, and then click DWORD value.
  5. Type SystemPages, and then press ENTER.
  6. On the Edit menu, click Modify.
  7. Click Decimal, type 31000, and then click OK.
  8. Quit Registry Editor.
Modification Type:MajorLast Reviewed:12/17/2005
Keywords:kbwinservds kbDirServices kberrmsg kbtshoot kbprb KB893712 kbAudITPRO
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