Oplocks, disabling on Windows servers

Install the proper registry patch

·   NT4Server-Is-Server-patch.reg

·   NT4Server-Is-Workstation-patch.reg

·   NT4Workstation-Is-Server-patch.reg

·   NT4Workstation-Is-Workstation-patch.reg

·   W2KServer-Is-Server-patch.reg

·   W2KServer-Is-Workstation-patch.reg

·   W2KWorkstation-Is-Server-patch.reg

·   W2KWorkstation-Is-Workstation-patch.reg

Then restart the server, so the change takes effect.