Sep 03

Veeam B&R: Flow matrix and Transport modes

Hi, this post (Veeam B&R: Flow matrix and Transport modes) is focused on Backup Proxies interaction and ports requirements. Understand Veeam core components and their communication is very useful especially to improve the security of your architecture (cybersecurity and compliance). Note: Veeam Help Center section covers typical connection settings for the backup infrastructure components (used ports). The following article shows the flow matrix and ports that must be opened to ensure proper communication of the Backup Server with backup infrastructure components…

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Aug 30

Microsoft ReFS – What’s new?

Hi! First, I took three weeks off around! Hope that everyone had a relaxing summer vacation and that you are ready to read new Blog posts! 🙂 As you know, while overall ReFS stability has much improved, there’s still one major issue with the ReFS driver memory management, which causes kernel memory usage to spike on large backup file deletions, sometimes causing server lockups. The workaround for this issue has been to throw lots of RAM at the backup repository server (1 GB RAM per 1 TB storage), which is obviously not ideal. Per Microsoft, this issue was resolved in the RS5 build (aka Windows Server 2019) quite a while ago, but initially, they did not plan to port it back to the RS1 build (aka Windows Server 2016) due to some significant complexities of this process.

New - Windows Server 2016

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Aug 03

Hyper-V 2016 New Features – Nested Virtualization (Part 4)

Hyper-V is the Microsoft’s virtualization platform that allows creating virtual infrastructures under Windows and/or Linux (Hyper-V 2016 Overview and Architecture Guide). Virtualization makes it possible to cohabit in isolation several operating systems on the same physical server (Hypervisor). Hyper-V 2016 version has been improved by Microsoft then they released a lot of new features such as network, installation mode, Nano Server, Virtual Machines and Security, administration, Windows Containers,QoS for storage, rolling Hyper-V Cluster upgrade, improved ReFS (Resilient File System), and virtual hard disk. Here’s the post to introduce Hyper-V 2016 and Nested Virtualization.

Original Network - Hyper-v 2016

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Jul 31

Veeam B&R 9.5 U3a – Logon failure: the user has not been…

Veeam released Veeam Backup and Replication 9.5 Update 3a, which contains some significant improvements: VMware vSphere 6.7 and VMware vCloud Director 9.1 support, Microsoft Windows 10 & Microsoft Windows Server Updates integration and others. After upgrading Veeam Backup & Replication 9.5 to Update 3a, you may notice warning or failures on the following operations while the error message varies depending on the actual operation, there is a common error thrown in the job sessions: “Logon failure: the user has not been granted the requested logon type at this computer. Code: 1385“. Backup jobs for SQL Servers VM with Backup logs periodically option enabled for transaction log backup may complete with this warning message: “Unable to update SQL backupset for instance SQLEXPRESS : Code = 0x80040e09 Code meaning = IDispatch error #3081 Source = Microsoft OLE DB Provider for SQL Server Description = The UPDATE permission was denied on the object ‘backupset’, database ‘msdb’, schema ‘dbo’“…

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Jul 25

Step by Step Guide Veeam Backup for Office365 v2 Installation

Hi! Yesterday, Veeam released Veeam Backup for Microsoft Office 365 version 2 allows you to create backups of Microsoft Office 365 and on-premises Exchange and SharePoint organizations that contain users mailboxes, Microsoft SharePoint data, and OneDrive documents. The following steps briefly describe the overall process of Veeam Backup for Microsoft Office 365 v2 installation (Step by Step Guide Veeam Backup for Office365 v2 Installation)… Here’s is an article aboutarchitecture and components overview.


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