Aug 212008
 


The Media Sensing feature in Windows 2000, Windows XP and later is used to detect whether the network media are in a link state. With Media Sense feature,  Windows senses a link state as UP or DOWN based on the link availability. When Windows detects a “down” state, it removes the bound protocols from that adapter until it is detected as “up” again.

Media Sensing feature is enabled by default in Windows except Windows Server 2003. However, in instances where you do not want Windows to sense link status (very unlikely) in which case, you can disable the Media Sensing feature from Windows Registry.

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Aug 172008
 


The Time To Live (TTL) value in an IPv4 packet determines the maximum number of links or hops on which an IPv4 packet is allowed to travel before being discarded. The default TTL value in Windows Server 2008 and Windows Vista is set to 128. While the defaults are good enough and may never need changing, there may be instances where you may want to change the default TTL.
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Aug 172008
 


Gratuitous ARP is a feature of Address Resolution Protocol in which a Gratuitous ARP request is sent by a host for its own IP Address while initiliazing.  Gratuitous ARP requests are sent to ensure that the IPv4 address is not already in use on the locally attached subnet.

In Windows 2008 & Windows Vista, we can control the number of Gratuitous ARP requests sent and is set to “3″ by default. To modify the number of Gratuitous ARP entries sent (between 0 and 3)

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Jul 132008
 


In Windows Server 2008 Core installation, the only way to setup IP Address eithe Static or DHCP is from the command line. The following procedure helps setting the IP Address from the command Line using “netsh”. This procedure works in Windows Server 2008 (No core installation as well), Windows Server 2003, Windows XP, Windows Vista.

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May 052008
 


When trying to share a local disk or a USB disk or even a Printer over a Wireless network, you may be faced with the error.

“Insufficient Disk Space”

even though there is space on the disk. This could be caused by the Irpstacksize value in the Windows Registry is too small. This affects Windows 2000, Windows XP, Windows 2003 server operating systems.

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