STOP 0x3f and Events 1001 and 2021 Appear On Heavily Used IIS

• Microsoft Internet Information Server version 1.0

SYMPTOMS

The following STOP error message appears on a heavily used Internet Information Server:

   STOP: 0x0000003f (0x00000000, 0x00000000, 0x00000000, 0x00000000)

   Event ID 1001
   Description: The computer has rebooted from a bugcheck. The bugcheck
   was: 0x0000003f (0x00000000, 0x00000000, 0x00000000, 0x00000000).
   Microsoft Windows NT [v15.1057]. A dump was saved in: C:\MEMORY.DMP.

   Event ID 2021
   Description: The server was unable to allocate a work item 1 times in
   the last 60 seconds.

   Data:
   0000: 00000000 00480003 00000000 800007e5
   0010: 00000000 c000009a 00000000 00000000
   0020: 00000000 00000000

CAUSE

The default system pages of 10,000 are not enought for the server due to many pages being locked down during transmission.

RESOLUTION

To work around this problem, increase the number of system pages for the server in the registry.

WARNING: Using Registry Editor incorrectly can cause serious, system-wide problems that may require you to reinstall Windows NT to correct them. Microsoft cannot guarantee that any problems resulting from the use of Registry Editor can be solved. Use this tool at your own risk.

1. Start Registry Editor (REGEDT32.EXE) and locate the following Registry subkey in the HKEY_LOCAL_MACHINE subtree:

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

2. Select SystemPages. From the Edit menu, select DWORD.

3. For Data, enter 20000 (Decimal).

4. Click OK and quit Registry Editor.

5. Shut down and restart Windows NT.

STATUS

Microsoft has confirmed this to be a problem in Internet Information Server version 1.0 We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.