Azure Centric

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Hyper-V Replica Communications Architecture

Hyper-V Replica Communications Architecture The Hyper-V Replica communications architecture is implemented at the Hyper-V Replica Network transport layer.  This layer provides a bi-directional transport channel based on the HTTP Client-Server model to send virtual machine replicas and control messages between Primary and Replica servers.  Replica Network Services is responsible for authorizing access to a Replica server and mutually authenticating the Primary and Replica servers.  It also provides the ability to...

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Hyper-V Replica Component Architecture

As already mentioned, Hyper-V Replica is new functionality that is included as part of the Hyper-V role in Windows Server 2012.  The main components are: Hyper-V Replica Management Interface Hyper-V Replica PowerShell Objects Hyper-V Replica WMI API Hyper-V Replica Replication Manager (RM) Hyper-V Replica Replication Tracker (RT) Hyper-V Replica Networking Hyper-V Replica Broker Manager Hyper-V Replica Management Layer The Hyper-V Manager interface is used to configure, manage, and monitor Hyper-V...

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Extending the Hyper-V Extensible Switch

Before Windows Server 2012 Many enterprises need the ability to extend virtual switch features with their own plug-ins to suit their virtual environment. If you’re in charge of making IT purchasing decisions at your company, you want to know that the virtualization platform you choose won’t lock you in to a small set of compatible features, devices, or technologies. With Windows Server 2012 The Hyper‑V Extensible Switch in Windows Server...

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Enabling the Firewall rules in the Hyper-V Replica Server

On a standalone Replica server, if Kerberos based authentication is used, follow these steps to make the required exception in the Windows Firewall: 1.      Open Windows Firewall with Advance Security and click on Inbound Rules 2.      Right-click on Hyper-V Replica HTTP Listener (TCP-In) and click Enable Rule On a standalone Replica server, if Certificate based authentication is used, follow these steps to make the required exception in Windows Firewall: 1.     ...

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Implementing Self-signed Certificates in Hyper-V Replica

On the Primary Server Copy the makecert.exe utility locally. Run the following elevated command to Create a self-signed root authority certificate makecert -pe -n “CN=PrimaryTestRootCA” -ss root -sr LocalMachine -sky signature -r “PrimaryTestRootCA.cer” The command installs a test certificate in the root store of the local machine and is saved as a file locally Run the following elevated command to create a new certificate signed by the test root authority...

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“Share nothing” Live Migration with Hyper-V 2012

When you perform a live migration of a virtual machine between two computers that do not share an infrastructure, Hyper‑V first performs a partial migration of the virtual machine’s storage, as shown in the figure below.   Hyper‑V performs the following steps: Throughout most of the move operation, disk reads and writes go to the source virtual hard disk. While reads and writes occur on the source virtual hard disk,...

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Free, simple, standalone tool to migrate vms from a VMware environment to Hyper-V in Windows Server 2012

With Windows Server 2012 RTM version available for all customers around the world, there is great news for organizations that are looking for a way to migrate virtual machines hosted on VMware vSphere to the Hyper-V host in Windows Server 2012. The production (RTW) version of the Microsoft Virtual Machine Converter (MVMC) and the Beta version of the VMware console plugin version are both available to download. MVMC is one...

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Hyper-V Replica

Before Windows Server 2012 Beginning with Windows Server 2008 R2, Hyper-V and Failover Clustering can be used together to make a virtual machine highly available and minimize disruptions.  Administrators can seamlessly migrate their virtual machines to a different host in the cluster in the event of outage or to load balance their virtual machines without impacting virtualized applications.  While this can protect virtualized workloads from a local host failure or...

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Enabling Hyper-V Replica

Installation Considerations Hyper-V Replica is implemented as part of the Hyper-V Role.  The Hyper-V Role can be enabled on a standalone Hyper-V server or on servers that are members of a Failover Cluster.  Hyper-V servers can function as members of a Workgroup or as member servers in the same or different Active Directory domains.   It is not required that Primary and Replica servers be part of the same Active Directory...

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Technical Overview of Hyper-V Replica

Prerequisites To take advantage of the Hyper-V Replica, which is included as part of the Hyper-V server role, the following pre-requisites must be met: Hardware that supports the Hyper-V Role on Windows Server 2012 Sufficient storage on both the Primary and Replica servers to host the files used by virtualized workloads Network connectivity between the locations hosting the Primary and Replica servers Properly configured firewall rules to permit replication between...