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MailslotDuplicateTimeout

HKLM\SYSTEM\CurrentControlSet\Services\Netlogon\Parameters

Data type

Range

Default value

REG_DWORD

0 | 1–5 ( seconds )

2

Description

Specifies the minimum time that must separate identical mailslot messages that the Net Logon service receives. If Net Logon receives two identical mailslot messages within an interval that is less than or equal to the value of this entry, the system considers the messages to be duplicates, and it ignores the second message.

Value

Meaning

0

Net Logon does not ignore identical mailslot messages, regardless of the interval between messages.

1–5 seconds

Net Logon processes only the first of two identical messages, if the interval between the messages is no greater than this value.

Set this value to 0 if Net Logon must recognize and respond to messages that might appear to be duplicates. For example, when a domain controller is separated from a client computer by a bridge/router, the bridge/router filters outgoing NetBEUI Frame protocol (NBF) broadcasts but allows incoming broadcasts. Net Logon must respond to the NBF mailslot message that is filtered out by the bridge/router and to the actual, unfiltered mailslot message the system receives.

If the value of this entry is too high, Net Logon might ignore retry attempts from a client.

Note Image Note

Windows 2000 does not add this entry to the registry. You can add it by editing the registry or by using a program that edits the registry.

Related Entries

Page Image

MaximumMailslotMessages

Page Image

MaximumMailslotTimeout

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