Repl topology update period (secs)

HKLM\SYSTEM\CurrentControlSet\Services\NTDS\Parameters

Data typeRangeDefault value
REG_DWORD 0x20 - 0xFFFFFFFF seconds 0x384 (900 seconds = 15 minutes)

Description

Allows the administrator to modify the interval at which the Knowledge Consistency Checker performs a review of the topology.

By default, as long as services are running, the Knowledge Consistency Checker reviews the topology every 15 minutes and makes changes as necessary.