What registry settings control the DHCP log in Windows 2000?

A. DHCP has always had auditing abilities for DHCP however these abilities have been expanded in 2000 to reduce problems CAUSED by the log files. These improvements will stop log files filling to take up whole partitions and cause system problems.

The following keys are all located under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\DHCPServer\Parameters

Value Name Type Description
DhcpLogFilePath REG_SZ The partition and directory for the audit logs to be written to. Make sure you write the entire path
DhcpLogMinSpaceOnDisk REG_DWORD If free space falls below this number (in megabytes) audit logging is stopped
DhcpLogDiskSpaceCheckInterval REG_DWORD Number of times the audit log is written to before checking for free disk space
DhcpLogFileMaxSize REG_DWORD Maximum size in megabytes the logs can grow to. By default it is 7.

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