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Posted by Gary Williams on December 11, 2018
SPF, DKIM and DMARC

Over the past few weeks, I have been dealing a lot with spoofed email and unfortunately, in a few cases, the consequences of someone falling for a spoofed email. I do not blame the people who fall for them as the ones I have seen have been incredibly convincing. Today’s Anti-spam solutions are good once they have been tuned a little (and for this I always advocate whitelisting known good domains), but they will often pass spoofed email because essentially, a spoofed email is a legitimate business email. In fact, the people crafting these things do not want them to be caught up in a spam filter as the email is designed to fool someone into thinking it is real, clearly another mechanism is required to handle such emails – Enter SPF, DKIM and DMARC.

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Posted by Romain Serre on December 6, 2018
Configure Azure Network Adapter from Windows Admin Center to connect Windows Server 2019 to Azure

Windows Server 2019 has been released a month ago with the latest release of Windows Admin Center. Both of them provide several Hybrid Cloud features such as Azure Network Adapter. It’s not a new feature because Azure Network Adapter is in fact a Point-to-Site VPN to Azure. However, thanks to Windows Admin Center, now we are able to provision the Azure gateway and create the VPN connection in one click (or two). When the Azure Network Adapter is created and connected, your On-Prem physical or virtual server is able to communicate with Azure instances connected to the Azure Virtual Network such as Azure VM.
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Posted by Nicolas Prigent on December 4, 2018
Configuring Hyper-V Replica on Azure – PART 2

In order to replicate your Hyper-V Virtual Machines between two hosts, the replication process must copy the snapshot from the primary host to the secondary host. Why using the Hyper-V Replica? This allows you to run a standby server with copies of the VMs ready in case of business continuity and disaster recovery.

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Posted by Nicolas Prigent on November 29, 2018
Configuring Hyper-V Replica on Azure – PART 1

If you work with Azure, you probably know that you can run Hyper-V in Azure using the Nested Virtualization. Why? It can be interesting to use this architecture for testing purpose. Of course, the price will be always higher than a local hardware in your own on-premises lab. You can use Nested Virtualization since Windows Server 2016 and Windows 10. To create a new Virtual Machine, you must use one of the instance sizes like Ev3 or Dv3. So, in a next article, I will explain how to create and configure your Hyper-V Host in Azure from scratch, but in this guide, I will use the great JSON template created by Chris Pietschmann to easily deploy the Hyper-V hosts.

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Posted by Michael Rakitin on November 23, 2018
Complete an infrastructure project for your organization with iSCSI SAN

Nowadays, it is obvious, that most organizations require an IT system to operate effectively. Even companies which are not related to IT need data storage that is continuously available, highly performed, and cheap. Thus, IT staff is challenged to build innovative, fast, modern and reliable IT systems that fit budget constraints and save some resources for future growth.

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Posted by Boris Yurchenko on November 21, 2018
Log-structured Write Cache – forget about post-blackout full syncs

In this blog post, I will make an overview of how Log-structured Write Cache can be configured. Additionally, I will make some power outage tests to check the operation of LWC under the conditions that are pretty close to the real power outages, which, in fact, are the most common reason for the full synchronization triggered on StarWind HA devices. Check the list of possible reasons of full sync to get a better idea about the cases where LWC can help you.

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Posted by Didier Van Hoye on November 15, 2018
Windows Server 2019 introduces a new SMB Mapping Option UseWriteThrough

A standard SMB share leverages caching to make things work fluently. Hiccups are hidden and file processing appears to go fast as caching often makes things looks faster than they are under the hood. For the vast majority of knowledge worker applications that support working against a file share, i.e. Word, Excel, PowerPoint and many other tools this works fine. For software that requires and is dependent on an absolute guarantee data is consistent and persisted at all times this is not enough. Backups to file shares are one such use case. If the SMB Shares “lies” to the SMB client that all is written to storage but it is actually still cached things can go wrong.

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Posted by Alex Bykovskyi on November 13, 2018
StarWind V2V Converter: Now with Physical to Virtual (P2V) conversion option!

StarWind V2V Converter is a great tool intended to speed the process of hypervisor switch faster with minimum interaction of an IT administrator. In addition, with P2V functionality added, it is much easier to Virtualize your Physical environment.

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Posted by Nicolas Prigent on November 8, 2018
Configuring Azure Point-to-Site VPN with Windows 10

In this article, we will focus on how to connect our local network to our Azure Virtual Network.

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Posted by Andrea Mauro on November 6, 2018
VMware vCenter and PSC topologies

VMware vSphere 6 offers all new and new features including a new VMware vCenter management services architecture. vCenter 6.0 can be deployed in embedded and external options and separately as a Platform Services Controller (PSC) and as vCenter. If the Platform Services Controller (PSC) provides common infrastructure services for the data center, then the vCenter Server ensures the remainder of the vCenter Server functionality. But you’ll agree, it would be great to have a common platform that combines both solutions. This option would help reduce the number of VMs per sites without any load balanced dependencies and provide fault tolerance.

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