For a Microsoft Windows 2000 version of this article, see
128167.
IMPORTANT: This article contains information about modifying the registry. Before you
modify the registry, make sure to back it up and make sure that you understand how to restore
the registry if a problem occurs. For information about how to back up, restore, and edit the
registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows Registry
MORE INFORMATION
Although the Server service is self-tuning, you can also
configure the Server service manually from Control Panel. Normally, the server configuration parameters are auto-configured (calculated and set) each time that you start Windows. However, if you run the
net config server command in conjunction
with the
/autodisconnect,
/srvcomment, or
/hidden switches, the current values for the automatically tuned parameters are displayed and written to the registry.
If you add or remove system memory, or change the server size setting
(minimize, balance, or maximize), Windows does not automatically tune the
Server service for your new configuration. For example, if you run the
net
config srv /srvcomment command, and then add more memory to the computer, Windows
does not increase the calculated value of automatically tuned entries.
Typing
net config server at the command prompt without additional parameters leaves automatic tuning intact while displaying useful configuration information about the server.
Restore the LAN Manager Server Parameters to Their Defaults
To restore the LAN Manager Server parameters to their defaults, or to
reconfigure Windows so that it automatically configures the Server service, follow these steps.
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may
require you to reinstall your operating system. Microsoft cannot guarantee that you can solve
problems that result from using Registry Editor incorrectly. Use Registry Editor at your own
risk.
- Click Start, and then click Run.
- In the Open box, type regedit, and then click OK.
- Expand the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters
- On the File menu, click Export.
- In the File name box, type lanmanserver backup, and then click Save.
- In the right pane of the Registry Editor window, delete all entries except for the following:
EnableSharedNetDrives
Lmannounce
NullSessionPipes
NullSessionShares
Size
NOTE: You may have other entries here that are statically coded. Do not remove these entries. - To delete an item, right-click it, and then click Delete on the shortcut menu that appears. Click Yes when prompted to confirm the deletion.
- Quit Registry Editor, and then restart Windows.
Use Information Levels
The Server service supports information levels that let you set each
parameter individually. For example, the
net config srv /hidden command uses information level 1016 to set just the hidden parameter. However, Net.exe queries and sets information levels 102 (hidden, comment, users, and disc parameters) and 502. As a result, all parameters in the
information level get permanently set in the Registry. Srvmgr.exe and the
Control Panel Server query and set only level 102 (not level 502) when you
change the server comment.
Hide Windows-based Computers or Change the Autodisconnect Value
If you want to hide Windows-based computers from the browse list or change the autodisconnect value, make those specific changes with Regedt32.exe instead of the command-line equivalents discussed earlier in this article. You must be an administrator to make these changes. To edit the server comment, use the description field of the Server tool in Control
Panel, or use Server Manager.
For additional information about the Server service, click the article number below
to view the article in the Microsoft Knowledge Base:
102967 REG: Server Service Entries, PART 1
102969 REG: Server Service Entries, PART 2