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VMware on AWS - How to restore NSX DFW firewall rules to previous state

Customers who uses NSX day-in, day-out would like to have a point-in time restore functionality of DFW firewall rules. Many customer have a large footprints in VMC and make changes to DFW quite often. This feature was missing for long time and we could see its included in recent versions . Let's see how DFW configuration roll back works  NSX DFW configuration has versioning, and it is stored in the NSX Manager.  Every time when someone update DFW configuration, NSX creates one more version but keep storing the previous ones. You can rollback for previous config but reapplying it once again.  You can find the options under Networking & Security tab , > Security > Distributed Firewall . In the right side we see an Actions drop down. Choose View to get to the below screen.  Let’s go through the use case:  1. Original state- default config with no custom rules:  a. There are no saved configurations during last 30 days: In my existing test setup, with the current setting

Windows Sever 2008/R2 Interview questions Part 1

Difference between 2003 and 2008 1)  2008 is combination of vista and windows 2003r2. Some new services are introduced in it 1. RODC one new domain controller introduced in it  [Read-only Domain controllers.] 2. WDS (windows deployment services) instead of RIS in 2003 server 3. shadow copy for each and every folders 4.boot sequence is changed 5.installation is 32 bit where as 2003 it is 16 as well as 32 bit, that’s why installation of 2008 is faster are known as role in it 7. Group policy editor is a separate option in ads 2)  The main difference between 2003 and 2008 is Virtualization, management. 2008 has more inbuilt components and updated third party drivers Microsoft introduces new feature with 2k8 that is Hyper-V  Windows Server 2008 introduces Hyper-V (V for Virtualization) but only on 64bit versions. More and more companies are seeing this as a way of reducing hardware costs by running several ‘virtual’ servers on one physical machine. If you like this exciting