![]() Consequently, if you do the numbers you’ll see that the higher you set the SMBServerPerfSetting, the higher the outcome of the formula is. This is where you can optimize the Server service for a specific role. When you select the properties of a connection and then select the properties of “file and printer sharing for Microsoft networks”, you should end up with a window like this: This brings us to the only GUI ‘tool” native to Windows that you can use to “tune” the Server service. In the formula you’ll notice that it refers to the SMBServerPerfSetting. #Processors = is the number of processors in the system OSVersion = 2 if running NTServer with > 16MB RAM SMBServerPerfSetting = 2 if "Maximize Throughput for File Sharing" ![]() (4*(MB*SMBServerPerfSetting)*OSVersion/1)*(#Processors) Changes in hardware that are monitored are the amount of memory and the number of processors. This means that every time the system boots, the server takes a look at the hardware configuration and incorporates any changes in the configuration of the Server service. This registry key exists because, by default, the Server service is auto-tuning. If you look at it you'll see that it's empty. The first sub key we encounter is the “AutotunedParameters” key. Lanmanserverīy default, the lanmanserver registry key on a freshly installed Windows Server 2003 Service Pack 1 machine looks like this: The corresponding location for the Workstation service is HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanworkstation. For the Server service this location is: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver. Settings for these services are stored in the Windows registry. Not surprisingly, this is the "Server" service for the server component and the "Workstation" service for the client components. On the other end all you have to do to “use” this file server is to check the box “client for Microsoft Networks”.īoth the server and the client components are run as a service. All you have to do become a file server is to check the box “file and printer sharing for Microsoft networks” in the network connection properties box. File serving in Windows is a classic example of a Client-Server mechanism. Core Componentsīefore we get down and dirty, we need to take a look at the core components that the Windows file serving environment is made of. This article was written assuming you’re running Windows 2000 (SP4 ) or Windows Server 2003, Service Pack 1. I've purposely left these optimizations out because I wanted this article to focus on the performance of Fileserving components only. Also, there is a lot of additional tweaking you can do in other parts of the (Terminal Server) registry. Although the basic fileserving principles also apply in that area, this article is not meant to help you perform those optimizations. Once you know this, you'll be able to tune your fileserving environments yourself.īefore we jump into this, please note that there are also a great deal optimizations that you can do in the "Terminal Server Terminal Server Client" hemisphere. So in this article, I’ll try to explain what the important parameters are, what they do, and how they relate to each other. Unfortunately, documentation on these tuning parameters is rather scarce. ![]() However, this isn’t for the faint of heart and can cause huge problems if you do it wrong. To solve these performance problems, you sometimes have to tune the fileserver (lanmanserver) and the “fileserver-client” (lanmanworkstation). One of the main reasons I wrote that article is that fileserving can easily become a bottleneck if not configured properly, especially in Terminal Server environments. I suggest you read that article ( Part 1 and Part 2 ) first to get a feel for the proper context of this article. I wrote a two-part article on on file serving and Terminal server environments. If there are network problems, the request may be retried several times before the network redirector gives up and returns an error to the client application.File serving is more than just saving a file to your home directory. The network redirector tries to make access to remote resources as transparent as possible for the local client application. The network redirector software creates the appearance on the client system that remote files and resources are the same as local files and resources and allows them to be used and manipulated in the same ways. The network redirector receives responses from the remote server that are then returned to the local application. The network redirector sends (or redirects) requests for file operations from local client applications to a remote server where the requests are processed. A network redirector consists of software components installed on a client computer that is used for accessing files and other resources (printers and plotters, for example) on a remote system.
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