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"HTTP 500 - Internal server error" error message when you try to open Webs while the IUSR account or the IWAM account is turned off

This article was previously published under Q321448
SYMPTOMS
If you try to open a Web site on a Microsoft Internet Information Services (IIS) Web server by using the FrontPage client while either the IUSR_computer or IWAM_computer account is turned off, you may receive error messages in the FrontPage client indicating the server extensions are not installed. Or, you may receive following error message:
HTTP 500 - Internal server error
Additionally, the Event Viewer logs on your Web server may contain error messages similar to the following:
  • If IUSR_computer is turned off:
    • In your Application log:
      Event Type:     ErrorEvent Source:   IISADMINEvent Category: NoneEvent ID:       102Date:           1/1/2002Time:           12:00:00 PMUser:           N/AComputer:       COMPUTERDescription:IISADMIN service found that account IUSR_<COMPUTER> is disabled.Some IIS functions can fail for this reason.							
    • In your System Log:
      Event Type:     WarningEvent Source:   W3SVCEvent Category: NoneEvent ID:       100Date:           1/1/2002Time:           12:00:00 PMUser:           N/AComputer:       COMPUTERDescription:The server was unable to log on the Windows NT account'IUSR_<COMPUTER>' due to the following error:Logon failure: account currently disabled.The data is the error code.Data:           0000: 33 05 00 00							
    • In your Security Log:
      Event Type:     Failure AuditEvent Source:   SecurityEvent Category: Account LogonEvent ID:       681Date:           1/1/2002Time:           12:00:00 PMUser:           NT AUTHORITY\SYSTEMComputer:       COMPUTERDescription:The logon to account: IUSR_<COMPUTER>  by: MICROSOFT_AUTHENTICATION_PACKAGE_V1_0  from workstation: COMPUTER  failed. The error code was: 3221225586							
      -and-
      Event Type:     Failure AuditEvent Source:   SecurityEvent Category: Logon/LogoffEvent ID:       531Date:           1/1/2002Time:           12:00:00 PMUser:           NT AUTHORITY\SYSTEMComputer:       COMPUTERDescription:Logon Failure:  Reason: Account currently disabled  User Name: IUSR_<COMPUTER>  Domain: COMPUTER  Logon Type: 3  Logon Process: IIS  Authentication Package: MICROSOFT_AUTHENTICATION_PACKAGE_V1_0  Workstation Name: COMPUTER							
  • If IWAM_computer is turned off:
    • In your Application log:
      Event Type:     ErrorEvent Source:   IISADMINEvent Category: NoneEvent ID:       102Date:           1/1/2002Time:           12:00:00 PMUser:           N/AComputer:       COMPUTERDescription:IISADMIN service found that account IWAM_<COMPUTER> is disabled.Some IIS functions can fail for this reason.							
    • In your System Log:
      Event Type:     ErrorEvent Source:   DCOMEvent Category: NoneEvent ID:       10004Date:           1/1/2002Time:           12:00:00 PMUser:           N/AComputer:       COMPUTERDescription:DCOM got error "Logon failure: account currently disabled." andwas unable to log on .\IWAM_<COMPUTER> in order to run the server:{3D14228D-FBE1-11D0-995D-00C04FD919C1}							
      -and-
      Event Type:     WarningEvent Source:   W3SVCEvent Category: NoneEvent ID:       36Date:           1/1/2002Time:           12:00:00 PMUser:           N/AComputer:       COMPUTERDescription:The server failed to load application '/LM/W3SVC/1/ROOT'.The error was 'The server process could not be started because theconfigured identity is incorrect. Check the username and password.'							
    • In your Security Log:
      Event Type:     Failure AuditEvent Source:   SecurityEvent Category: Account LogonEvent ID:       681Date:           1/1/2002Time:           12:00:00 PMUser:           NT AUTHORITY\SYSTEMComputer:       COMPUTERDescription:The logon to account: IWAM_<COMPUTER>  by: MICROSOFT_AUTHENTICATION_PACKAGE_V1_0  from workstation: COMPUTER  failed. The error code was: 3221225586							
      -and-
      Event Type:     Failure AuditEvent Source:   SecurityEvent Category: Logon/LogoffEvent ID:       531Date:           1/1/2002Time:           12:00:00 PMUser:           NT AUTHORITY\SYSTEMComputer:       COMPUTERDescription:Logon Failure:  Reason: Account currently disabled  User Name: IWAM_<COMPUTER>  Domain: COMPUTER  Logon Type: 3  Logon Process: NtLmSsp   Authentication Package: NTLM  Workstation Name: COMPUTER							
CAUSE
The IUSR_computer and IWAM_computer accounts must be turned on for IIS to function correctly.
RESOLUTION
To resolve this issue, follow these steps:
  1. Log on to your Web server as an administrator.
  2. Start the User Manager for Domains program on Microsoft Windows NT 4.0 or the Computer Management snap-in on Microsoft Windows 2000 or Microsoft Windows XP.
  3. View the properties for the IUSR_computer or IWAM_computer accounts.
  4. Click to clear the Account disabled check box.
MORE INFORMATION
For additional information , click the article numbers below to view the articles in the Microsoft Knowledge Base:
297989 PRB: Configured Identity Is Incorrect for IWAM Account
297519 Server Application Error Message: 'The server failed to load application'
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Article ID: 321448 - Last Review: 02/21/2007 00:49:41 - Revision: 2.2

  • Microsoft FrontPage 2002 Server Extensions
  • Microsoft FrontPage 2000 Server Extensions
  • kbaccounts kbconfig kberrmsg kbopenfile kbprb KB321448
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