How and Why You Should Verify IOS Images On Cisco Routers & Catalyst Switches. Identify Corrupt & Tampered Images using SHA2 or MD5 Verification

This article explains the importance and method to verifying an IOS image during a firmware upgrade on a Cisco router & Catalyst switch. Learn the necessary commands and options to help avoid unpleasant security breaches from tampered IOS images or unexpected boot failures from corrupt images.
http://goo.gl/anGXgl

Free Webinar & eBook on Microsoft Licensing for Virtual Environments (Hyper-V)

Free Webinar & eBook on Microsoft Licensing for Virtual environments. Delivered by Hyper-V MVP Experts. Read our post for more details...
http://goo.gl/5NxMOE

The Importance of Monitoring and Controlling Web Traffic in Enterprise & SMB Networks - Protecting from Malicious Websites - Part 1

Understand how users can put your network and company data at risk when uncontrollably surfing the web. Live views of current DDoS Attacks around the globe - Learn why monitoring tools can help control user Internet access, severely limit hacking attempts & DDoS Attacks.
http://goo.gl/Er4fZM

Resolving Cisco Switch & Router ‘DHCP Server Pool Exhausted-Empty’ Error – Client IP Assignment Failure

Troubleshoot, debug and fix DHCP server conflicts - problems Cisco Catalyst switches and routers. Learn DHCP debug commands, identify ‘ip address pool empty’, gratuitous ARP problems & recovery commands. Understand why clients cannot obtain an IP address from the Cisco DHCP server and much more.
http://goo.gl/7L9n7h

How To Stop CallManager (CUCM) 7, 8, 9, 10.5 with MGCP/H.323 VG From Rejecting Anonymous (Hidden Caller-ID) Calls

Read how to stop CallManager (CUCM) from blocking calls with Anonymous Caller-ID with MGCP or H.323 Voice Gateway. Quick workaround with minimum changes. Covers CUCM 10.5, 9, 8 and more.
http://goo.gl/xm29kH

Free Hyper-V eBook - Create, Manage and Troubleshoot Your Hyper-V VMs. Free PowerShell Scripts Included!

Make the most out of your Hyper-V server(s) and download the free Altaro PowerShell Hyper-V eBook for a limited time. Understand Hyper-V cmdlets, PowerShell scripts, VMs, VHD/VHDX files, event logs and much more.
http://goo.gl/x6vVJB

Continued: Protecting Enterprise & SMB Networks From Exploits, Hacking & Attacks - Automate System Patching Process - Part 2

Understand the importance of securing systems by patching them. Automate and enhance your patching process with GFI LanGuard to help avoid security breaches and data loss.
http://goo.gl/JHsU4R

How to Install and Configure Windows 2012 DNS Server Role

Learn how to correctly setup and configure DNS Server role, DNS parameters, zone transfers, DNS Monitoring, Debugging, Security enhancements and much more.
http://goo.gl/rUXH4J

Protect Enterprise & SMB Networks From Exploits, Hacking & Attacks By Correctly Patching Systems

Read about the latest exploits & hacking attempts thanks to unpatched systems. Understand the importance of correctly patching systems & applications to avoid security breaches and data loss.
http://goo.gl/6ZuuHI

Windows Server Group Policy Link Enforcement, Inheritance and Block Inheritance

Learn how Windows Group Policies are linked, enforced, inherited and blocked within the Active Directory. Deploy your Group Policies sucessfully at different levels within Active Directory.
http://goo.gl/cWqzLD

Understanding, Creating, Configuring & Applying Windows Server 2012 Active Directory Group Policies

Learn how to create and configure and apply Windows 2012 Server Group Policies. Manage your Active Directory Users & Computers with Group Policies.
http://goo.gl/YUzevf

Spanning Tree Protocol: Bridge ID, Priority, System ID Extension & Root Bridge Election Process

Learn about Spanning Tree Protocol Root Bridge Election process, Bridge ID, Priority, System ID Extention fields and the best way to influence Root Bridge selection
http://goo.gl/uF2lkI

How to Start Windows 8 and 8.1 in Safe Mode – Enabling F8 Safe Mode.

Learn how to start Windows 8 / 8.1 in Safe Mode and enable or disable F8 Safe Mode boot up option to help troubleshoot windows problems, driver issues and more.
http://goo.gl/uNfMk2

How to Enable & Use Windows 8 Startup Settings Boot Menu (Workstations, Tablet & Touch Devices)

Learn how to enable Windows 8 Start Settings Boot Menu via CLI and GUI. Understand the 10 Windows 8/8.1 Startup Settings Boot Menu options. Applicable to PCs, tablet and touch devices.
http://goo.gl/YQYfEq

Online IP Subnet Mask Calculator – Easy and simple way to calculate any IP address subnet mask, network address and more!

Free Online IP Subnet Calculator. Insert IP & Subnetmask and calculate the number of hosts, start IP and end IP of your range, network and broadcast address and bits user for networks and hosts.
http://goo.gl/6eQS7O

How to Join a Windows 8, 8.1 Client to Windows Domain - Active Directory

Learn how to add a Windows 8 / 8.1 client to Windows Domain & Active Directory. Understand the process and learn where to find the necessary log files.
http://goo.gl/T5zRTK

Using PowerShell cmdlets to install Active Directory Domain Services Role and Domain Controller. Active Directory concepts are also covered.

Learn how to install Active Directory Domain Services Role and Domain Controller using Windows 2012 Powershell cmdlets. Active Directory concepts are also covered.
http://goo.gl/Ak0RC6

Installing Windows Server 2012 Active Directory via Server Manager. Active Directory Concepts

Understand Windows Server 2012 Active Directory components & learn how to install Active Directory Services via GUI. Includes screenshots and step-by-step information for a complete install.
http://goo.gl/soVVft

Updated GFI LanGuard makes it the No.1 patch management tool & vulnerability scanner

New updated GFI LanGuard makes it the No.1 patch management tool & vulnerability scanner. Scan mobile devices, network devices (Cisco, Juniper, HP, 3com, Linksys, and more), support for CIPA compliance, Linux and much more.
http://goo.gl/MyDt6L

Understanding Hyper-V Virtualization Concepts, Virtual Deployment Infrastructure (VDI) and more

All you need to know about Hyper-V Virtualization concepts. Hyper-V Basics, Deployment models, network virtualization, VDI Deployment and much more, in one easy to understand article.
http://goo.gl/L3B6K5

Spanning Tree Protocol, Rapid STP Port Costs - Port States

Understand Spanning Tree 802.1D, RSTP port costs and port states. Concepts explained: Root Bridge, Root Port, Designated Port, Port Status (Listening, Learning, Forwarding, Blocked) and much more.
http://goo.gl/BAcUOa

Hyper-V Best Practices - Replica, Cluster, Backup Advice

Read our Windows Hyper-V best practices guide that will ensure optimum virtualization performance, safe Hyper-V Backups, Cluster performance, Replica capacity planner, availability of Host machine resources, NIC binding, Disk, memory & cpu performance plus much more.
http://goo.gl/ffSpc4

Spanning Tree Protocol – Understand STP Principles, Redundant Network Links & Broadcast Storms

Introduction to network broadcast loops and explanation of spanning-tree protocol's(STP) 802.1d role. Understand the importance of STP, redundant links on switches and issues encounted on non loop-free networks.
http://goo.gl/mY6gY9

CCIE Collaboration Quick Reference Exam Guide

CCIE Collaboration Quick Reference provides you with detailed information, highlighting the key topics on the latest CCIE Collaboration v1.0 exam. This fact-filled Quick Reference allows you to get all-important information at a glance, helping you to focus your study on areas of weakness and to enhance memory retention of important concepts.
http://goo.gl/beqod0

Windows Hyper-V Backup Tool - 20 Reasons Why You Should Use One.

The importance of Hyper-V Server backup tools. Discover their advantages, flexibility, security and centralized management when compared to standard backups.
http://goo.gl/U7TFCi

Microsoft Windows XP - End of Life / End of Support

Windows XP end of life security implications and management are discussed with GFI LanGuard product manager Cristian Florian, to learn how companies are avoiding the risks.
http://goo.gl/fbRUJb

How to Fix Cisco VPN Client Error 51 – Unable to Communicate with the VPN Subsystem

This article explains how to correct the Cisco VPN “Error 51” problem usually found on Apple Mac OS X. We provide full explanation of the problem and explain how to fix this error and get your Cisco VPN client working again.
http://goo.gl/dRB0yF

How to Install Windows Server 2012 from USB Flash – ISO Image

Learn how to install Windows Server 2012 or Windows 8 without a DVD/CD on your server or virtual machine. We show you how to create a bootable USB device and transfer the Windows 2012 ISO image using the Windows 7 USB/DVD Download tool.
http://goo.gl/vwMizG

Creating a Virtual Machine in Windows Hyper-V. Configuring Virtual Disk, Virtual Switch, Integration Services and other Components

This article shows how to create a virtual machine in Windows Hyper-V, configure the virtual switch, virtual disk, Integration Services installation, operating system and much more.
http://goo.gl/FyZOvU

How to Install Windows 2012 Hyper-V via Server Manager & Windows PowerShell. Monitoring Hyper-V Virtual Machines

This article covers the setup of Hyper-V role, configuration of Virtual Switches, Live Migration, Default Stors and more. We also cover Hyper-V Virtual Machine Monitoring via Hyper-V Manager, Tesk Manager, Performance Monitor and Event Viewer.
http://goo.gl/DvHiEC