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DatabaseCleanupInterval

HKLM\SYSTEM\CurrentControlSet\Services\DhcpServer\Parameters

Data type

Range

Default value

REG_DWORD

0x0–0xFFFFFFFF minutes

0x5A0

Description

Determines how often the Dynamic Host Configuration Protocol (DHCP) Service deletes expired ( doomed ) records from the DHCP client information database. By default, records expire after four hours. Deleting expired records releases space for new IP addresses.

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