JSI Tip 9318. Is there a delay after an Opportunistic Locking unlock request?


I discussed Opportunistic Locking in the following tips:

3108 » How do I configure Opportunistic Locking on Windows NT and Windows 2000?

9317 » Tuning Opportunistic Locking.

0130 » Is there a delay when saving documents to a Server Share?

1447 » How do I run old MS-DOS database application on my network?

9316 » How do prevent Windows clients from requesting an opportunistic locks on a remote file?

When the redirector unlocks data in response to an unlock request, the action should be immediate, by default.

If you experience a delay, insure that the UseUnlockBehind Value Name, a REG_DWORD data type, at HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters is set to 1.

If UseUnlockBehind is set to 0, the unlock-behind optimization feature is disabled.



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