Azure Centric

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Configuring and Managing Hyper-V Replica

Management Considerations Hyper-V servers are managed locally using the Hyper-V Manager interface or remotely using the Hyper-V Remote Server Administration Tools (RSAT) or System Center Virtual Machine Manager (SCVMM).  If the configuration is a Hyper-V Failover Cluster, the Failover Cluster Management interface is used. Configuration and Management UI Hyper-V Replica settings are configured in the Hyper-V Manager interface for standalone Hyper-V servers and the Failover Cluster Manager interface for Hyper-V...

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Installation Process of Hyper-V Replica

Hyper-V Replica is installed as part of the Hyper-V Role. Installation UI/Wizard To add the Hyper-V Role to a server installation, use the Add Role and Feature Wizard (ARFW), which is part of Server Manager or use the Deployment Image and Servicing Management (DISM) command line tool.  A reboot is required.  This can occur automatically if the installation is being executed in the Server Manager interface by checking a box...

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Hyper-V Replica PowerShell CMDLETS

The following Hyper-V PowerShell cmdlets apply to Hyper-V Replica.   Cmdlet Complete-VMFailover Description This cmdlet completes the Failover process of the virtual machine. The virtual machine’s current recovery point is committed and all other recovery points are removed. Failover cannot be cancelled once the recovery points are removed. Verb-Noun Complete-VMFailover Syntax Complete-VMFailover [-VMName] <String> [-ComputerName <String[]>] [-PassThru] Example Complete-VMFailover -VMName C0-FIN-FS1   Cmdlet Get-VMNetworkAdapterFailoverConfiguration Description Retrieves the Failover IP settings on...

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Dynamic Optimization on SCVMM 2012

SCVMM 2012 introduced the ability to constantly monitor and rebalance load on clusters by using “Dynamic Optimization”.  How Dynamic Optimization works, will help understand its behavior and get the most out of this feature. What does Dynamic Optimization do?  Simply put, it searches for live migrations within a Host Cluster that will improve the overall health of the cluster.  “Health” describes two main facets – Host load and VM configuration....

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Multitenant security and isolation with Hyper 2012

Virtualized data centers are becoming more popular and practical every day. IT organizations and hosting providers have begun offering infrastructure as a service (IaaS), which provides more flexible, virtualized infrastructures to customers—“server instances on‑demand.” Because of this trend, IT organizations and hosting providers must offer customers enhanced security and isolation from one another. If you’re hosting two companies, you must help ensure that each company is provided its own privacy...

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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...