Why i recommend software assurance for hyper v licensing posted on october 10, 2011 by afinn if youre in a nonsubscription licensing program with microsoft, then i recommend that you purchase software assurance with your hyper v licensing this is the enterprise or datacenter licenses that covers your host os and vm guest os requirements. Fail over to a nested vm replica running on a hyperv host in azure in case of disaster. To have hyper v replication on your host servers the following settings need to be setup. Yes you should use bitlocker from the hyperv parent partition to encrypt drives that store vm filesvirtual hard drives. Planning for hyperv replica backup software for hyperv. For instance, you could create a stretched hyper v cluster with sr as the transport mechanism for the underlying storage between the two locations and then use hyper v replica for dr, replicating vms to a third location or to azure.
Why i recommend software assurance for hyperv licensing posted on october 10, 2011 by afinn if youre in a nonsubscription licensing program with microsoft, then i recommend that you purchase software assurance with your hyperv licensing this is the enterprise or datacenter licenses that covers your host os and vm guest os requirements. Hyper v replica in windows server 2012 allows administrators to build a business continuity and disaster recovery solution for their virtualized infrastructure by replicating virtual machines from a primary or source server to a replica or destination server. The veeam encryption mechanism can only be used if hardware encryption is disabled at the tape device level or not supported. This post will try to talk about backup products supporting microsoft hyper v virtual infrastructures. Top 5 backup software for hyperv esx virtualization.
Feb 28, 2018 ill give you a brief walkthrough how you can setup the free microsoft hyperv server 2016 on two computers and create a hyperv replica for failover purpose. Feature and performance optimization of hyperv replica. The article is a little old, but its still relevant. With the help of apis, software vendors can customize the options and build an enterprise disaster recovery solution. Some technologies are incompatible or nonsensical to use with hyperv replica. Walk into this project knowing that your data can be intercepted. Before you start resynchronization, you must first resolve any connectivity issues between the primary and replica servers there are two ways to resynchronize the contents of the virtual machine. Hardware failure, software bugs, human error, a natural disaster, or any of countless other events could suddenly render your. If desired, ssl certificates are assigned to the hosts to encrypt the replicas as. Hyperv server monitoring and performance tracking suite.
Windows server 2016 supports linuxbased hyper v shielded vms as well. By default, a certificate revocation check is mandatory and selfsigned certificates dont support revocation checks. It is responsible for ensuring that hyper v hosts in the fabric are known to the hoster or enterprise and running trusted software. Encryption you can control whether you want the transferred data to be encrypted in flight. If you have not read about the hyper v replica yet, i would recommend you first read this article hyper v replica article at. As soon as you click it, another window with the available and compatible. These are all available from the hosts replica configuration tab. Hyperv replica originally released with the 2012 server platform. Hyper v replica offers three security mechanisms to protect this communication. Access it by opening hyperv manager and then rightclick on the host and.
Open windows firewall with advance security and click on inbound rules 2. Windows server 2016 hyperv replication without the need of. Hyper v virtual machine used space encryption only with bitlocker unless you can use a passthough disk. Windows server 2016, microsoft hyper v server 2016, windows server 2019, microsoft hyper v server 2019. Nakivo blog data protection hyperv replication setup. How to deploy hyperv nested virtualization on azure. Today well reveal fifteen key security best practice items you should follow for hyper v server and vms to ensure your hyper v environment runs securely. Below, we have an example of the checkpoint existing on the hyper v replica virtual machine once it is created. The hyperv replica allows replicating hyperv virtual machines from one. Hyperv replica can replicate changes only every 30 seconds, 5 minutes, or 15 minutes. This allows asynchronous replication of a virtual machine over distance to. Jul 27, 2017 the reason is, hyperv in windows server 2016 is the first time weve been able to enable a virtual tpm vtpm in guest virtual machines. Encryption you can control whether you want the transferred data to be. Hyperv replica provides options for restoring virtual machines at the replica site to a pointintime backup copy.
Both bitlocker and hyperv have each gotten better since the time of that writing. Almost every service that has its own replication capabilities is better off not using hyperv replica. Hyperv replica addresses the complexity and expense component of dr. Encrypting guest virtual machines is another layer of protection you can add in hyper v. This is required as the hyper v replica broker is highly available and can migrate from one server to another. Any custom replication data directories, if youre using hyper v replica. Setting up windows server 2016 hyper v vm replication. This allows asynchronous replication of a virtual machine over. A common use of this in both windows hyper v replica and vsphere replication is to exclude the guest operating system swap, by moving the file away from the boot disk to save on both bandwidth and disk space. For every job thereafter, the product detects changed blocks of data increments and merges them with the vm replica, leaving the previous state of the hyper v vm as a new recovery point.
Serversyoull need two servers running windows server 2012 or windows server 2012 r2 with the hyperv role. Hyperv replica provides application programming interfaces apis. Basically, we will list top 5 backup software for hyperv whether theyre already supported or there will be in the upcoming release. A common use of this in both windows hyperv replica and vsphere replication is to exclude the guest operating system swap, by moving the file away from the boot disk to save on both bandwidth and disk space. A hypervisor is a program used to host multiple virtual machines on one single piece of hardware. To set up the source environment, you create a hyperv site and add to that site the hyperv hosts containing vms that you want to replicate.
If your hyperv host is running windows 10 1511, you have to enable isolated user mode. How to use windows server 2012 hyperv replica for disaster. Weve looked at quite a bit so far in regards to the newest version of microsoft hyper v. Specifically, hgs is a new server role introduced in windows server 2016 that provides the attestation service and key protection service kps that enable hyper v to run shielded vms. Mar 11, 2020 hyper v replica tracks the write operations on the primary virtual machine and then replicates these changes to the replica server over a wan. Supported platforms for vm replica types veeam backup guide. On a standalone replica server, if kerberos based authentication is used, follow these steps to make the required exception in the windows firewall. You configure a replication job with a microsoft hyper v 2012 r2 host used as a source and a microsoft hyper v 2016 host used as a target. Hyper v replica will not function if the source host cannot verify the identity of the target host and vice versa.
Microsoft designed a generic service that can be used with technologies that have no such service builtin. It asynchronously replicates hyperv virtual machines in a primary site to replica virtual machines in a secondary site. Hosting sql server in hyperv replica environment simple talk. The cut down and hardened hyper v server sees adoption primarily in large environments where dedicated specialist it roles and large teams exist. Todays blog post explains how to create a hyperv replica in azure and how to perform failover to that nested vm of the hyperv format residing in azure. In earlier versions, admins who wanted to encrypt their guest virtual machines had a couple of workarounds, and there were problems with each of them. Community edition is the musthave free backup and recovery solution for vmware and hyper v, as well as physical servers, workstations and cloud instances. Since replicated data travels over the network, hyperv replica provides encryption and data compression when replicating virtual machine. A potential problem with using hyper v replica for ransomware protection is most likely the encryption is going to replicate before you can identify it and bring down the infected server. Set up hyperv disaster recovery using azure site recovery.
Hyper v replica is a useful feature used for disaster recovery and migration of vms from one datacenter to another datacenter. Hyperv replica is an integral part of the hyperv role. Hyper v replication over wanvpn and then encrypted to not. Replication provides the best recovery time objective rto values, as you actually have a copy of your vm in a readytostart state. Ill give you a brief walkthrough how you can setup the free microsoft hyper v server 2016 on two computers and create a hyper v replica for failover purpose. Hyperv replica creates a copy of a live virtual machine to a replica offline virtual machine. Mar 14, 2018 veeam community discussions and solutions for. Recommended antivirus exclusions for hyper v hosts.
Secure the hyper v host operating system, the virtual machines, configuration files, and virtual machine data. These configurations will help avoid issues such as those that are described in the following knowledge base article. The focus of this article is about the 7 important in my view. Encrypt state and vm migration traffic encrypts the. Both bitlocker and hyper v have each gotten better since the time of that writing. Generation 2 virtual machine security settings for hyperv microsoft. Learn vocabulary, terms, and more with flashcards, games, and other study tools. For production, you should always encrypt your replication traffic. Hyperv replica, first introduced in windows server 2012, is a mechanism of vm asynchronous replication. In this case, the replication job will produce a legacy replica.
The general goal of hyper v replica is to provide rapid disaster recovery protection to a virtual machine. Hyperv replica offers three security mechanisms to protect this communication. Does disk encryption on a hyperv partition work and is it. Use bitlocker drive encryption to protect resources. Because while encrypting the hyperv host itself can protect against stolen physical disks, enabling bitlocker inside your virtual machines protects against stolen virtual disks as well e. The azure site recovery service contributes to your disasterrecovery strategy by managing and orchestrating replication, failover, and failback of onpremises machines and azure virtual machines vms this is the third tutorial in a series. Nov 12, 2019 if antivirus software is installed and running on a hyper v host, there are several exclusions and options that you should configure for optimal operation of hyper v and the running virtual machines. Step by step how to configuring hyperv replication in. Vm backup and replication solutions over legacy backup software by. Install hyper v role on server core as a security best practice, always install the hyper v role on a server core operating system instead of using a full version of windows operating system.
Hyper v replica functions by periodically transmitting changes in the live virtual machines hard disk files to its replica machine over the network. To help you get the most out of the new hyper v replica service, the microsoft experts at firebrand training have put together a simple and handy infographic that takes you stepbystep through testing and producing a dr solution, as well as the process for rebuilding the server should your main device fail. This cost can be avoided if you have software assurance on the source hosts. Linux supports tpm, uefi, and secure boot, but not bitlocker drive encryption. Jun 10, 20 a practical guide to microsoft hyper v replica. Enabling the firewall rules in the hyperv replica server. A replica of the virtual machine is a complete, readytorun copy of the source virtual machine but it cannot be used as a replacement for backup or clustering or automated failover. Mar 28, 2017 the most common use for hyper v replica involves transmitting data across the internet. Windows hyperv replica supports use of snapshots to generate recovery points, and vss to create applicationconsistent snapshots. Set up disaster recovery of onpremises hyperv vms to azure. Why i recommend software assurance for hyperv licensing. How to enable virtual tpm vtpm in windows server 2016 hyper.
Add users that need to manage the hyperv host to the hyperv administrators group. Hyperv replica will not function if the source host cannot verify the identity of the target host and vice versa. Use the baseline security setting recommendations described in the windows server security baseline. Vmware and hyperv virtual machine disaster recovery. For this reason, encrypted data blocks sent to the deduplicating. Apr 10, 2019 microsoft hyper v is a type of hypervisor. What is hyperv replica and how does replication work. This is by microsoft design, bitlocker is hyper v aware and will only run in used space only mode, even if your policy is set for full disk.
Disaster recovery has become more of a broad marketing buzzword than a useful technical term, but it is important here. Once the hyper v settings window opens, go to the replication configuration section and check the box enable this computer as a replica server. Lets now turn to security and disaster recovery mprovements, particularly with bitlocker drive encryption and hyper v replica. Bitlocker on hyperv virtual machine garytown configmgr blog. Cluster1 has the hyper v replica broker installed and is hosting several vms. If you have software assurance on the license that covers the source virtual. What tools do you need to use to configure the vms to replicate to server3. From hyper v manager, you can right click on the virtual. Windows hyper v replica supports use of snapshots to generate recovery points, and vss to create applicationconsistent snapshots. Hyperv replica is like failover clustering one way. Then, you download and install the azure site recovery provider and the azure recovery services agent on each host, and register the hyperv site in the vault. In this case replicate means send the changes in the vm since the last replication process to the replica target. Remember to eject your iso you booted from before the bitlocker steps, or it will error. Hyperv replication helps with both planned and unplanned fail over situations by having a fail over to protect the virtual machine.
What extensions must be present in the enhanced key usage eku section of the digital certificate to be used for hyper v replica. You should use bitlocker drive encryption on all volumes that store vm files. Setup 2 hyperv 2016 servers, enable hyperv replica with. Yes you should use bitlocker from the hyper v parent partition to encrypt drives that store vm filesvirtual hard drives. Changes in the primary virtual machine is tracked and transferred at a frequent interval to the replica server. Feature and performance optimization of hyperv replica hvr. Hi, our scenario is, we have two different hardware servers running 2012 r2 with hyper v configured. Free virtualization tools for vmware and hyperv veeam. Hyperv replication allow your environment to replicate from one virtual machine to another virtual machine environment without the need for additional cost of an appliance. Part i a hyper v replica installation provides a great opportunity for providing rapid disasterrecovery by asynchronously replicating a vm running at a primary site to a replica site across lan or wan to maintain a hot standby vm.
With the release of windows server 2012 and hyperv 3. Dec 28, 2016 for ad roles you can setup a bdc just another server that syncs ad data without having to do hyper v replica. You should however ear in mind lees comment its a very valid one. Also, because certificatebased encryption is asymmetrical, the encrypted. Cluster1 has the hyperv replica broker installed and is hosting several vms. Certificate with the subject name set to the hyper v replica brokers fqdn. Why is exchange not supported for hyper v replicaition. By default, all hyper v replication jobs are incremental, which means that only the initial replication creates a complete copy of a source hyper v vm. The most common use for hyperv replica involves transmitting data across the internet. Oct 22, 20 hyper v replica certificate requirements. Nov 14, 2017 this is when you can bring up the replicated virtual machine on the replica host server with limited downtime in your production environment.
On the main host i have an initial replica snapshot that i cannot delete and on the replica host i have 2 snapshots they look like regular snapshots that i cannot delete. Cannot delete hyperv replica or snapshot solutions. Hyperv replica functions by periodically transmitting changes in the live virtual machines hard disk files to its replica machine over the network. How to encrypt your hyperv guest vms using the gui. Vm data is retrieved from the production infrastructure. Rightclick the server you want to be a replica server and choose hyperv settings.
The minimal working configuration of hyperv replica requires at least 2 hosts with active hyperv role, connected by a data channel. With the release of windows server 2012 and hyper v 3. Server1 and server2 make up the failover cluster cluster1. Hyper v replica tracks the write operations on the primary virtual machine and then replicates these changes to the replica server over a wan. Plan for hyperv security in windows server microsoft docs. Nov 23, 2012 hyper v replica in windows server 2012 allows administrators to build a business continuity and disaster recovery solution for their virtualized infrastructure by replicating virtual machines from a primary or source server to a replica or destination server. Every virtual machine has its own applications and programs separate from the underlying hardware. Log into host servers and click on hyper v manager. Free virtualization tools for vmware and hyperv veeam software. Windows server 2016 hyperv replication without the need. As of this writing, microsoft plans to employ the dmcrypt disk encryption subsystem to provide wholedisk encryption for linuxbased shielded vms as well. However, some are very important for hyper v users between both versions.
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