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
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.