HP StorageWorks Enterprise File Services WAN Accelerator 2.1 Installation and Configuration Guide (November 2005)

HP STORAGEWORKS EFS WAN ACCELERATOR INSTALLATION AND CONFIGURATION GUIDE 47

2 - INSTALLING AND

ONFIGURING THE HP EFS

The following table lists the revised SMB registry parameters that ensure full

optimization (that is, bandwidth and latency optimization) using the HP EFS

WAN Accelerator.

There are two sets of these parameters on each computer: one set for the

computer as a server and the other set for the computer as a client.

NOTE: On the client, if SMB signing is set to required, do not disable it on the server.

To disable SMB

signing on Windows

2000 Domain

Controllers, member

servers, and clients

1. Open Active Directory Users and Computers on the Domain Controller.

2. Right-click Domain Controllers and select Properties.

3. Click the Group Policy tab.

4. Click Default Domain Controllers Policy and select Edit.

5. Click Default Domain Controllers Policy/Computer Configuration/

Windows Settings/Security Settings/Local Policies/Security Options.

6. Disable Digitally sign client communication (always) and Digitally sign

server communication (always).

7. Disable Digitally sign client communication (when possible) and

Digitally sign server communication (when possible).

8. Reboot all the Domain Controllers and member servers that you want to

optimize.

Number Client/Workstation Member Server Results

SSEn SSReq SSEn SSReq

OFF OFF OFF OFF Signature Disabled: Full Optimization

OFF OFF ON OFF Signature Disabled: Full Optimization

ON OFF OFF OFF Signature Disabled: Full Optimization