Export (0) Print
Expand All

UseOpportunisticLocking

HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters

Data type

Range

Default value

REG_DWORD

0 | 1

1

Description

Determines whether the opportunistic-locking ( oplock ) performance enhancement is enabled. If enabled, the redirector requests an opportunistic lock on any file opened in "Deny None" mode. As a result, the server performs automatic read-ahead and write-behind caching on behalf of the redirector.

Value

Meaning

0

Disables opportunistic locking

1

Enables opportunistic locking

Note Image Note

Opportunistic locks improve performance significantly. Do not change the value of this entry unless you are testing the system.

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 it.

Was this page helpful?
(1500 characters remaining)
Thank you for your feedback
Show:
© 2014 Microsoft