Deduplication is a feature that saves disk space on a volume by grouping identical sectors together. It is not recommended to enable deduplication on volumes hosting databases, virtual machines, and even WSUS. Before implementing this technology, check that your backup software is compatible. Example: With Veeam to restore files from a volume where deduplication is …
World Wide Name (WWN) is a unique identifier on storage controllers that identify devices on the SAN (disk bay). This is the equivalent of MAC addresses. 1. Open a PowerShell command prompt. 2. Enter the following command: 3. Here is the result of the command: On the screenshot above, we see that the server has …
In this tutorial, I will show you how to install SSH server (OpenSSH) on Windows Server 2019/2022. As of Windows Server 2019, the OpenSSH server is a native additional feature. For previous versions of Windows Server a tutorial is available here: OpenSSH client and server – installation on Windows Server 2012R2 and 2016 Using an …
In this “how to” tutorial, I will show you how to add a DNS zone on a Windows DNS server. Open the DNS console On a server where the DNS role is installed, open the DNS Manager administrative console. Add a DNS zone in direct lookup zones In the left panel, right-click on Direct search …
In this tutorial, I will explain how to install the OpenSSH client and Server on Windows Server 2012R2 and 2016. At the time of writing this tutorial, this feature is native to Windows 10 and Windows Server 2019 and you might also want to have OpenSSH client or server on an earlier version. Personally, I …
Presentation DFS Replication allows you to set up a replication of a folder between several servers. There are “two types of replications”. One-way replication This type of replication is mainly used to centralize file server backups on a backup server. Multidirectional replication This type of replication makes it possible to have a folder with the …
In this “little” tutorial, I will show you how to set up a “secure” configuration. Since the publication of the PrintNightmare flaw, Microsoft has deployed several updates to correct this problem and took the opportunity to modify the behavior of Windows to harden the configuration. In this tutorial, we will see the parameters to use …
To fight against the flaws that affect the print spooler on Windows, the KB5005033 of August 2021, modifies the behavior of Windows 10 by requesting the administrator rights for the installation and the update of the print drivers. The changes proposed in this article bypass the KB related blockage, which again exposes your system. It …
On Windows Server 2016 servers, KB5005573 randomly causes printing error 0x0000011b on computers. As of 9/17/2021, the workaround is to uninstall this update from the print servers. In the case of using WSUS, the update should also be disapproved. Edit 1: Another workaround will be to change the value of the HKEY_LOCAL_MACHINE \ SYSTEM \ …
Location of the hosts file : C:\Windows\System32\drivers\etc. Pour ajouter un enregistrement : 1. Start notepad as administrator. 2. Open the hosts file located in C:\Windows\System32\drivers\etc. To display the hosts file which has no extension it is necessary to select All files (*. *) 3. Add a record in the form: 4. Save and close the …