Admin Notes – SysAdmin Notes

Event ID: 5120 Event ID: 5142. Cluster shared volume has entered a paused.

12/03/2020

Hi Guys.A few days ago our production cluster CRASHED completely, 300 VMs went crazy. It affected more than 2k people….
How to start using Blink shell iOS app.

04/03/2020

Then you bought the Blink app. You open it and you stuck on the screen. You tried to SSH and…

PowerShell Remoting from Linux Parrot (Debian) to Windows

23/04/2021 How to: Windows 0 Comments

Those steps which you have to take to be able using Enter-PSSession command on your Linux box. Step1. Install PowerShell Core.Go to and follow Microsoft documentation: https://docs.microsoft.com/en-us/powershell/scripting/install/installing-powershell-core-on-linux?view=powershell-7.1 Step2. To make Enter-PSSession working on Linux you have to install gss-ntlmssp apt install gss-ntlmssp Step3. Enable PSRemoting on Windows machine Enable-PSRemoting –Force…

No option for deleting snapshot/checkpoint in Hyper-V.

29/07/2020 How to: Hyper-v, How to: Windows 0 Comments

Hi Guys, Sometimes you want to delete checkpoint but there is no option like in the screenshot bellow. You can, of course, shut down VM and manually merge snapshots. I do not recommend it. However, I found out that you can just choose a snapshot which you want to delete…

Change Office 365 Distribution Group Restriction

02/06/2020 How to: Windows 0 Comments

The action ‘Set-DistributionGroup’, ‘RequireSenderAuthenticationEnabled’, can’t be performed on the object ‘[Your Distribution Group]’ because the object is being synchronized from your on-premises organization. This action should be performed on the object in your on-premises organization. Today I was trying to reset the password for one AWS account. We are using…

The parameter is incorrect (Windows Server 2008) – Disk Manager not showing correct available space.

02/04/2020 How to: Hardware, How to: Windows 0 Comments

Hi Guys, Today I had to extend space on the LeftHand storage for old Windows 2008R2. On end I got error The parameter is incorrect” Operating system doesn’t see correctly available space. To solve it I used diskpart. diskpart list volume select Volume 3 extend filesystem I hope that this…

How to list all VMs and assigned memory on the Hyper-V cluster.

30/03/2020 How to: Hyper-v, How to: Powershell, How to: Windows 0 Comments

We are preparing for the migration from Hyper-V to VMware. I am collecting all information before migration. One of the tasks was to collect all memory assigned to all VMs. Get-VM -ComputerName (Get-ClusterNode -Cluster CLUSTER_NAME) | Select-Object Name, DynamicMemoryEnabled, MemoryAssigned, MemoryMinimum, ProcessorCount, Path

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