Configuring a DHCP Superscope

A superscope is an administrative feature of Dynamic Host Configuration Protocol (DHCP) servers running Windows Server 2008 that you can create and manage by using the DHCP Microsoft Management Console (MMC) snap-in. By using a superscope, you can group multiple scopes as a single administrative entity. With this feature, a DHCP server can: Support DHCP clients on…

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IP Subnet Calculator

Subnets CIDR Wildcard Feedback IP Subnet Calculator The IP Subnet Mask Calculator enables subnet network calculations using network class, IP address,subnet mask, subnet bits, mask bits, maximum required IP subnets and maximum required hosts per subnet. Results of the subnet calculation provide the hexadecimal IP address, the wildcard mask, for use with ACL (Access Control…

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Using Group Nesting Strategy – AD Best Practices for Group Strategy

Accessing resources across forests When two Windows Server 2003 forests are connected by a forest trust, authentication requests made using the Kerberos V5 or NTLM protocols can be routed between forests to provide access to resources in both forests. For more information about routing authentication requests across forests, see Routing name suffixes across forests. Before authentication protocols can…

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Windows Server 2008 R1 Edition Comparison

Windows Server 2008 comes in several major editions derived from the same code base. The most important differences among editions are in the number of processors, amount of physical memory, and high-availability features supported. The edition specifically targeted at servers with Itanium CPUs, Windows Server 2008 for Itanium-Based Systems (IA64), is not listed in the…

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Force Replication Between Domain Controllers

Applies To: Windows Server 2008, Windows Server 2008 R2 You can use this procedure to force Active Directory replication to occur between two domain controllers on a one-time basis when you want changes to be replicated from the server that received the changes to a server in another site sooner than the site link schedule allows….

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Virtualization Smackdown 2: Oracle VM VirtualBox 3.2 vs. VMware Workstation 7.1

Summary: Two titans battle for desktop virtualization supremacy. Who will reign supreme? Two titans battle for desktop virtualization supremacy. Who will reign supreme? Welcome, True Believers. Two years ago, we visited the subject of free desktop virtualization hypervisors. At the time, the two preferred free solutions were Sun’s xVM VirtualBox and and VMware Server 2.0. Things have…

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Repair and Reset Windows Vista TCP/IP Winsock Catalog Corruption

TCP/IP stack Winsock settings in Windows Vista may get corrupted, causing errors and problems with Internet connectivity. Corrupt Winsock or Windows sockets configuration can be due to a lot of reasons such as installation of a networking software, or due to virus, trojan or malware infection, or sometime even due to disinfection of spyware by…

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