For the Network Administrators, is quite a challenging adventure to maintain updated the PCs with the last updates and hot fixes .

The normal action is to activate the Automatic Updates, a Microsoft update tool that has the system and works by its own. But this sometimes causes a waist of bandwidth generally when is limited.

After some configurations you will be able to use the system as a update server. This will let every PC in the local network to update the hot fixes from the server.

Centralizing the updates in a SUS system (Software Update Services) means to establish a mechanism where an only system connects to the Update Services, downloads the necessary updates allowing the rest of the computers in the LAN to update from it.

You will need a software, which can be downloaded free from the Microsoft site:

http://technet.microsoft.com/es-es/wsus/bb466190(en-us).aspx

Once WSUS starts a simple trick is necessary in client computers of the service, and is modifying a property in Windows registry where the WSUS server is allocated:

Note: It is recommended to save a backup before manipulating the registry. The use of the registry is the responsibility of the user.

Go to Start, Run and write regedit. Go to the key:

HKLM\Software\Microsoft\Windows\CurrentVersion\WindowsUpdate

Here you will create two alphanumeric values called Wuser and WUStatusServer. In both of them you will indicate the website address.

From this moment, if the PC is configured correctly it will search the local update server and NO in the internet as it is configured by default.