Troubleshooting Event Log Error Messages 11 and 12 (106373)
The information in this article applies to:
- Microsoft Windows NT Server 3.1
- Microsoft Windows NT Server 3.5
- Microsoft Windows NT Server 3.51
- Microsoft Windows NT Workstation 3.1
- Microsoft Windows NT Workstation 3.5
- Microsoft Windows NT Workstation 3.51
- Microsoft Windows NT Advanced Server 3.1
This article was previously published under Q106373 SYMPTOMS
When the number of mouse or keyboard events buffered internally by the
driver in nonpaged pool memory is too low, one of the following error
messages gets logged in the Event Viewer:
Source Category Event User
-----------------------------------------
Mouclass None 11 N/A
-or-
Source Category Event User
-----------------------------------------
i8042prt None 12 N/A
Both of the above error messages have the following description:
The ring buffer that stores incoming mouse data has overflowed (buffer
size is configurable through the Registry).
RESOLUTIONWARNING: 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.
Use the Registry Editor (REGEDT32.EXE) to edit the following entry:
HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/i8042prt/Parameters
Make the value for KeyboardDataQueueSize and/or MouseDataQueueSize
larger.
NOTE: The default value for both of these is 64.
The above service (i8042prt) name may vary, depending the type of
mouse you are using.
Note: If changing the registry does not solve the behavior, disable the NetFlex adapter driver from the devices. With some of the NetFlex adapters, if the card is not disabled, the events can occur and the computer may stop responding.
| Modification Type: | Major | Last Reviewed: | 12/15/2003 |
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| Keywords: | kbHardware kbprint KB106373 |
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