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Microsoft caught lying on their official website about Hyper V

Ramsey Marwan
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Posted (edited)

So, I recently heard that Hyper V can run on 4GB RAM which is what's on my PC. I got this info from the Microsoft official website. This got me really excited as I thought that virtualization needed gargantuan amounts of RAM. So, I went to the official website and followed all the steps to create a virtual machine running Ubuntu 20.04 as this version is much faster than 18.04. I downloaded my virtual machine and tried to start it; guess what happened next. It said that I ran out of RAM. The thing is, minimum requirements don't mean that whatever software you wanna run should run well, they mean that it should at least function which is exactly what DIDN'T happen.

Edited by Ramsey Marwan
I made a mistake so I don't want anyone to get fooled and think that microsoft is lying or anything.
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1 minute ago, Ramsey Marwan said:

So, I recently heard that Hyper V can run on 4GB RAM which is what's on my PC. I got this info from the Microsoft official website. This got me really excited as I thought that virtualization needed gargantuan amounts of RAM. So, I went to the official website and followed all the steps to create a virtual machine running Ubuntu 20.04 as this version is much faster than 18.04. I downloaded my virtual machine and tried to start it; guess what happened next. It said that I ran out of RAM. The thing is, minimum requirements don't mean that whatever software you wanna run should run well, they mean that it should at least function which is exactly what DIDN'T happen.

oh man

that cucks

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Link to their claim?

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3 minutes ago, Ramsey Marwan said:

It said that I ran out of RAM

If you don't have a discrete GPU and are only running on an iGPU, that iGPU will reserve a portion of your RAM and thus you don't actually have 4GB available for the system -- could be your issue.

Hand, n. A singular instrument worn at the end of the human arm and commonly thrust into somebody’s pocket.

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Windows 10's background tasks alone chews 3GB of system memory, so much more if there's a VM running. Imo, 8GB is the minimum of Windows 10 and third party programs to run smoothly.

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Posts in the news section have to follow the posting guidelines, moved to Servers and NAS.

 

Also post a screenshot of the VM configuration you used, there are different ways of allocating ram to VMs in Hyper-V. Also just because the minimum is 4GB doesn't actually mean you can run any VM with any configuration, that's not how things work.

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Well, you can run virtual machines on 4GB of RAM, HyperV included. That being said, Windows 10 is a massive RAM hog and it doesn't help matters that you really want more RAM for a good VM experience.

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If you have an iGPU or other programs in the background then no you don't have 4GB of ram available.

Also if your OS hasn't been clean installed in a while it will use more ram.

 

Also, what kind of crap computer do you have that only has 4GB of ram???

It's 2020, not 2002, you should have at the very least 8-16.

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I have used hyper-v on systems with 4gb of ram before(and a igpu) it works fine.

 

What exact error did you get?

 

How much ram did you give the vm?

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Just now, Electronics Wizardy said:

I have used hyper-v on systems with 4gb of ram before(and a igpu) it works fine.

 

What exact error did you get?

 

How much ram did you give the vm?

I think the problem is too much other things were running and Ubuntu 20.04 itself lists 4GB memory as a requirement. So even if moving to dynamic memory allocation allows the VM to start there isn't actually enough system resources to run the VM and not have massive performance issues on the host OS and the VM OS.

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Just now, leadeater said:

I think the problem is too much other things were running and Ubuntu 20.04 itself lists 4GB memory as a requirement. So even if moving to dynamic memory allocation allows the VM to start there isn't actually enough system resources to run the VM and not have massive performance issues on the host OS and the VM OS.

yea get more ram.

 

4gb seems ofely high for 2004, should work fine on less. I don't think its a hard requirment.

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Just now, Electronics Wizardy said:

yea get more ram.

 

4gb seems ofely high for 2004, should work fine on less. I don't think its a hard requirment.

I only run 20.04 Server so wouldn't know, but it's not like Windows 10 is light on resources so unless Ubuntu can run on like 512MB or 1GB bad times ahead 😉

 

Quote

Minimum of 4 GB memory. As virtual machines share memory with the Hyper-V host, you will need to provide enough memory to handle the expected virtual workload.

 

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1 minute ago, leadeater said:

I only run 20.04 Server so wouldn't know, but it's not like Windows 10 is light on resources so unless Ubuntu can run on like 512MB or 1GB bad times ahead 😉

 

 

chuckles, who needs ram when you hava swap. I have ran 10 windows 10 vms on 4gb of ram before. 

 

 

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6 minutes ago, leadeater said:

I only run 20.04 Server so wouldn't know, but it's not like Windows 10 is light on resources so unless Ubuntu can run on like 512MB or 1GB bad times ahead 😉

It'll run even if you only give it 1GB RAM, it'll just most likely end up swapping quite a bit. Obviously, tasks such as browsing the web or such things will be rather....chuggy.

 

EDIT: Just out of sheer curiosity, I booted up my Fecal Fossil VM with only 1GB RAM allocated to it. Had 146MiB free RAM, if we discount any cached data.

Hand, n. A singular instrument worn at the end of the human arm and commonly thrust into somebody’s pocket.

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6 minutes ago, WereCatf said:

It'll run even if you only give it 1GB RAM, it'll just most likely end up swapping quite a bit. Obviously, tasks such as browsing the web or such things will be rather....chuggy.

Well I mean that is the point, turning on is one thing but actually working is another. The VM isn't going to know that it's memory is sitting in Windows swap either which was more my point, you can give it 4GB of ram in the VM config, enable dynamic allocation so it'll actually start but if Windows 10 is chewing 3.8GB of 4GB and won't release it the Ubuntu VM has to run with basically zero actual ram. VMs running in VM swap is a really bad experience, almost nobody does it on ESXi because of just how bad it is, many have no idea that ESXi actually has VM swap space and you can over provision host memory.

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I can run a Windows 7 VM for my old Nissan FAST software with 512MB of ram no problem.....

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31 minutes ago, Electronics Wizardy said:

yea get more ram.

 

4gb seems ofely high for 2004, should work fine on less. I don't think its a hard requirment.

i don't care. Microsoft said it can run on 4GB so that's what is supposed to happen. It's not my fault. They explicitly lied

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52 minutes ago, the sff pc dude said:

oh man

that cucks

Yeah. I am considering getting a RAM upgrade but that won't fix the problem on Microsoft's end.

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5 minutes ago, Ramsey Marwan said:

i don't care. Microsoft said it can run on 4GB so that's what is supposed to happen. It's not my fault. They explicitly lied

No, they didn't lie. You can run a basic VM on just 4GB of RAM -- it doesn't mean you can run everything you might think of on it. Also, you haven't said how much RAM you gave the VM; how much did you give the VM?

Hand, n. A singular instrument worn at the end of the human arm and commonly thrust into somebody’s pocket.

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7 minutes ago, Ramsey Marwan said:

i don't care. Microsoft said it can run on 4GB so that's what is supposed to happen. It's not my fault. They explicitly lied

Have you selected this option on the VM?

Hyper-V dynamic memory - Managing VM RAM better way

 

I think you'll find it'll start once you do that.

 

Edit:

Also lower the startup RAM, that's what's used to check if the VM is allowed to start, put it down at like 256MB.

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Just now, WereCatf said:

No, they didn't lie. You can run a basic VM on just 4GB of RAM -- it doesn't mean you can run everything you might think of on it. Also, you haven't said how much RAM you gave the VM; how much did you give the VM?

Oh, that was a mistake on my end. I guess ill delete the post. Sorry to anyone who got fooled

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Guys, I made a mistake on my end. I can't delete the post and have to ask a mod. I am sorry for misleading anyone who got fooled by this. Anyways, can someone help me get in touch with a mod to delete this for me?

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11 minutes ago, Ramsey Marwan said:

Guys, I made a mistake on my end. I can't delete the post and have to ask a mod. I am sorry for misleading anyone who got fooled by this. Anyways, can someone help me get in touch with a mod to delete this for me?

I wouldn't worry about it, topic has been moved out of the news section already and most people here don't care if someone got something wrong 🙂

 

I can hide the topic if you really want.

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