DHCP Transaction Log Files (J500xxx.log) Fill up the Hard Disk (321453)


The information in this article applies to:

  • Microsoft Windows NT Server 4.0
This article was previously published under Q321453

SYMPTOMS

You may notice that the free hard disk space is decreasing on your Microsoft Windows NT Server 4.0-based computer running the Dynamic Host Configuration Protocol (DHCP) service.

When you view the contents of the Winnt\System32\DHCP folder, you may notice numerous files similar to the following: 
06/01/01  07:44p        <DIR>          .

06/01/01  07:44p        <DIR>          ..

06/01/01  07:38p        <DIR>          backup

04/13/01  10:03a             1,056,768 dhcp.mdb

04/13/01  10:03a             1,056,768 Dhcp.tmp

06/01/01  11:06a               707,317 dhcpsrv.log

05/28/01  07:36p                12,775 DhcpSrvLog.Fri

05/31/01  12:03a                   666 DhcpSrvLog.Mon

05/29/01  12:02a                   666 DhcpSrvLog.Sat

05/30/01  12:02a                   666 DhcpSrvLog.Sun

05/27/01  10:26p                13,165 DhcpSrvLog.Thu

06/01/01  04:11p                 5,484 DhcpSrvLog.Tue

05/26/01  07:54p                17,266 DhcpSrvLog.Wed

05/27/01  05:04p                 8,192 j50.chk

06/01/01  07:38p             1,024,000 j50.log

05/27/01  05:19p             1,024,000 j5004610.log

05/27/01  06:19p             1,024,000 j5004611.log

05/27/01  07:19p             1,024,000 j5004612.log

05/27/01  08:19p             1,024,000 j5004613.log

05/27/01  09:19p             1,024,000 j5004614.log

05/27/01  10:20p             1,024,000 j5004615.log

05/27/01  11:20p             1,024,000 j5004616.log

05/28/01  12:08a             1,024,000 j5004617.log

05/28/01  12:20a             1,024,000 j5004618.log

CAUSE

This behavior may occur if the DHCP-related transaction log files have not been automatically removed and are filling the hard disk instead.

RESOLUTION

To resolve this issue, compact the DHCP database. To do this, follow these steps:
  1. Stop the DHCP service. To do this, follow these steps:
    1. Click Start, point to Settings, click Control Panel, and then double-click Services.
    2. In the Service list, click Microsoft DHCP Server, and then click Stop.
    3. Click Yes to confirm the stopping of the DHCP service.
  2. Use the Jetpack.exe utility to compact the DHCP database.For additional information about how to compact the DHCP database, click the article number below to view the article in the Microsoft Knowledge Base:

    145881 How to Use Jetpack.exe to Compact a WINS or DHCP Database

  3. Restart the DHCP service.

MORE INFORMATION

For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

172570 Jetpack Error Codes for Windows 2000 and Windows NT 4.0

165915 Explanation of Jet Database for Windows NT 4.0

Modification Type:MajorLast Reviewed:5/30/2002
Keywords:kbprb KB321453
©2002 Microsoft Corporation. All rights reserved.