September 2013 - The blog on Virtualization and Cloud solutions

Compare VPN tunnel types in Windows

Posted September 12, 2013 omid.koushkiPosted in Server 2008

I am sure you must have experienced VPN reconnect – a new IKEv2 based VPN tunnel that is added in Windows 7 that allows automatic and seamless switchover of an active VPN connection when the underlying Internet interface (connection) changes thus maintaining application persistence. Isn’t that COOL – like VPN user moving from Wifi to WWAN and back – giving a true mobile connectivity to corpnet ! Yes it is… This means, Windows7 in-built VPN client and Windows 2008 R2 […]

SYSVOL Folder Structure

Posted September 11, 2013 omid.koushkiPosted in Server 2008

About each folder under the SYSVOL share in Domain Controller SYSVOL folder used to store a copy of the domain’s public files like system policies, Group Policy settings and logon/logoff scripts, which are replicated to all other domain controllers in the Active Directory domain through File Replication Services (FRS), You can find many folders inside the SYSVOL share, I would like to explore and explain each folder by how it’s used in the process of SYSVOL replication.

domain trust

Posted September 9, 2013September 9, 2013 omid.koushkiPosted in Server 2003

trusting domain and the trusted domain For the diagram above, we have the following summary: When you create a trust from the Account Domain (trusted), the type of trust will be “incoming trust”. When you create a trust from the Resource Domain (Trusting), the type of trust will be “outgoing trust”. Remember that Direction of Trust is the opposite to Direction of Access.

vSphere 5.5 new feutures

Posted September 9, 2013 omid.koushkiPosted in VMWare Technology

Last night , I was looking for an article that i saw an article on virtualization . I read this article . it will be useful for you and other friends I ‘m going to run in this version soon. And the complete results will be announced . for the full list please take a look at VMware’s document. 1. vCenter Server appliance gets bigger For a while now VMware has offered a Linux based appliance version of the Windows […]

10 Things to Know About Server Virtualization

Posted September 9, 2013 omid.koushkiPosted in Virtualization

This is a guest post from David Malmborg who is working with Dell. Here are the 10 things to know about server virtualization and why your company should think about it. Recently I have shared my personal working experience on advantages of server virtualization. The below points are similar to earlier article but with different view and explanation. [source article] 1. Server Virtualization Closes the Gap Seen in Traditional Server Model Traditional server model uses one piece of hardware for […]

PPDIOO as the network life cycke

Posted September 8, 2013September 8, 2013 omid.koushkiPosted in Cisco

What is Cisco PPDIOO? PPDIOO (Prepare, Plan, Design, Implement, Operate, and Optimize) is the network life cycle that is defined by Cisco . PPDIOO has the six phases or steps for designing a network and these design phases are as following: Prepare Plan Design Implement Operate Optimize source article

Slow logging into domain

Posted September 4, 2013September 4, 2013 omid.koushkiPosted in Server 2008

When you are facing slow logons into domain and you also get events 1030 and 1006 you need to look into your network. By default Kerberos uses UDP packets to communicate. You need to force Kerberos to use TCP instead of UDP by changing registry key: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Lsa\ Kerberos\Parameters If it doesn’t exists just create it Create DWORD key called MaxPacketSize and set it to value 1. For more infor there is official KB http://support.microsoft.com/kb/244474/en-us

Software Restricion Policy vs. AppLocker

Posted September 4, 2013 omid.koushkiPosted in Server 2008

Just a quick image about differences between “old” Software Restricion Policy and “new” AppLocker: Now it’s easy to describe and remember.