Computer programs or applications commonly have one or more processes that are executing to support the program. These processes are instances of the running application and may have one or many Operating System threads dedicated to receive computer resources. Each program thread may execute any portion of the process code depending on the program design. …
The Windows Taskbar is not only an extremely practical feature of Windows operating software, but it can also be customized to fit your specific preferences. Here is how: Start your computer and right click on any clear space (do not click on the taskbar or any icons). You should see a menu appear. In this …
Error 678 is an error that is reported when a remote system does not respond correctly when an attempt is made to connect to the Internet. The Error 678 message appears as “The remote computer did not respond.” Broadband connections If this error occurs with a broadband connection, it could be because of the following …
Microsoft Model Overview Before Windows NT 3.1 was released, users had to obtain the TCP/IP protocol suite from a third party, and then install it. This was necessary for users to connect to the network, which in turn usually resulted in a number of issues. When it came to network communication, the TCP/IP software which …
Fonts are typefaces that we see on the monitor screen. Arial and Times New Roman are examples of fonts, and they outline the shape of the characters that appear on the screen. A font could be a serif font or a sans serif font and can be used in several different sizes. There are basically …
NetBEUI (NetBIOS Extended User Interface) is a program used for communication between applications installed on separate computers within the same LAN (Local Area Network). It is an upgraded version of NetBIOS and provides much more flexibility and functionality by rearranging the information in a data transmission. Like NetBIOS, NetBEUI is not a networking protocol and …
Network Load Balancing Overview Network Load Balancing (NLB), included in Windows 2000 and Windows Server 2003 can be used if you need to provide increased levels of availability for TCP/IP applications. All versions of Windows Server 2003 include NLB. While NLB is automatically installed, it is not enabled. In a NLB cluster, client requests are …
The Lsass.exe System Error is a problem that may affect a computer system running Windows XP. Lsass (Local Security Authentication Subsystem Service) manages the log in process information for accounts on the system. Three things that may cause an error with the Lsass.exe process: The msvcrt.dll file was corrupted or replaced with an incompatible version. …
Using Firewalls To Prevent Unauthorized Access The method, by which you can physically secure the network, is through the usage of firewalls. While firewalls provide some level of physical security, you should bear in mind that firewalls are just barriers which make it difficult for intruders to attack the network. Firewalls are categorized as follows: …
Managing the Different Server Roles The different roles that can be configured for Exchange Server are listed here: Mailbox Store server (back-end server): The mailbox store server is mainly responsible for the following functions: Storing of messages of mail-enabled users. Storing attachments. Storing files and folders. Managing the mailbox store server includes configurations and tasks …