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I installed VMWare workstation on my laptop, which has Windows 8 running on it. I got VMWare installed, after which I tried to install Red hat Linux as a guest OS.

But I get an error stating "not enough physical memory available to start this VM."

I tried allocating all more resources to get Linux installed and overcome the above error:

RAM - 2GB
DISK - 20GB

but still get the same error.

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How much memory does your laptop have? Do you have other processes running on the host (Windows 8) that are taking up a lot of memory? Remember that Windows requires memory too, so even if your laptop has 2 GB of RAM, you won't be able to allocate all of that (maybe not even most of it) to a guest OS. – John Bensin Sep 20 '13 at 18:44
    
2gig ram it seems. – Lorenzo Von Matterhorn Sep 20 '13 at 18:46
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My laptop has 4GB RAM out of which i alloted 2GB to VMware – user256091 Sep 20 '13 at 18:58
    
You need to try to allocate less RAM to the VM, not more. Trying to allocate more RAM makes it more likely that the allocation will fail. – David Schwartz Sep 20 '13 at 19:10
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@user256091 What other processes do you have running? Can you open the Task Manager (press Ctrl+Shift+Esc), and in the performance tab, look at the graph of memory and tell us how much memory your system is currently using? – John Bensin Sep 20 '13 at 19:20

You probably need to run VMWare workstation as an administrator. Some Windows Updates have created this problem from time to time. Follow the first recommendation in this article: http://www.petri.com/fixing-enough-physical-memory-available-errors-vmware-workstation.htm

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Welcome to Super User! Please include the relevant information from the linked page in your post. If the link is ever broken, your answer will no longer be as useful. – Excellll Nov 13 '14 at 21:09
    
I'm having the same problem with VMWare Player 4.0.6 on Win8.1/64 with 10GB of RAM, no visible application running, when trying to launch a 1GB Linux VM. Running as administrator helped, uninstalling KB2995388 didn't. I've not tried messing with config.ini. – Thomas S. Oct 1 '15 at 11:10

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