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Windows update issues

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Windows update issues 1- System Update Readiness Tool  2-How To Fix A Stuck Windows Update 3-To obtain a list of installed patches wmic qfe list 4-To uninstall a listed patch wusa /uninstall /kb:<kbnumber> 5-From a remote computer  (http://support.microsoft.com/kb/934307) wmic /node:SRVNAME process call create “powershell wusa /uninstall /kb:2639043 /quiet /norestart” 6- Remove an update Open Installed Updates by … Read more

Cisco Validated Designs Guides

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Cisco Validated Design (CVD) Guides are comprehensive, design and implementation guides. The validated systems and solutions have undergone thorough architectural design development and lab testing, and provide guidance for the introduction of new technologies, emerging architectures, or the enhancement of the customer’s network.

To qualify as a Cisco Validated Design Guide, the design must meet the following criteria:

  • Products that are incorporated in the design are generally available.
  • Deployment, operation, and management of components within the system are repeatable processes.

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Unable to find users in lync server

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I was trying to enable users in Microsoft Lync server.I was unable to find some active directory users in Microsoft Lync server.My configuration was proper.I was able to find users but not all users. At the end i find there was office communicator server was installed before and i twas removed. but the users for … Read more

Troubleshooting Microsoft Network Load Balancing Clusters

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Troubleshooting Microsoft Network Load Balancing Clusters This section lists some common issues that you might encounter when using Network Load Balancing (NLB) clusters http://technet.microsoft.com/en-us/library/cc732592.aspx Network Load Balancing (NLB) Survival Guide http://social.technet.microsoft.com/wiki/contents/articles/7329.network-load-balancing-nlb-survival-guide.aspx

Operating System Version

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Operating System Version The GetVersionEx function retrieves the major and minor version numbers and other information about the currently running version of the operating system. The VerifyVersionInfo function enables you to determine whether the current system satisfies a specified set of operating system version conditions. For more information, see the following topics: Getting the System Version Verifying the System … Read more

How to add static ARP entry in windows 2008 or Windows 7

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How to add static ARP entry in windows 2008 or Windows 7 netsh -c interface ipv4 add neighbors “Network Card Name” “IP Address” “MAC Address” store=persistent For Example :- Your Network Card Name is :- Local Area Connection IP Address is :- 192.168.10.10 MAC Address is :- 00-1d-71-83-6c-00 netsh -c interface ipv4 add neighbors “Local … Read more

How to install PPTP Server on Cent OS

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Step-1 Forward GRE protocol and TCP port 1723 through your firewall Step-2 Add the Poptop Yum Repository rpm -Uhv http://poptop.sourceforge.net/yum/stable/rhel5/pptp-release-current.noarch.rpm Step-3 Configure iptables Create iptables_set.sh, chmod +x iptables_set.sh, and run the script. Note: The following will work but you may wish to change the source address from 10.10.9.0/24 to the network range of your choosing … Read more