Parallels Desktop 16 still won't start on macOS Big Sur Public Beta 4

LeeR6 said:
I installed Beta 5 to see if I would have better luck, but no. I used the uninstall Virtual Box trick, and that didn't help. I rebooted numerous times and ensure that Parallels has full disk access. I checked security to see if Parallels was being blocked.
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Yep, still the same story here with me on Beta 5
 
You have to change the hypervisor so it's set to Apple not parallels. Found I advanced stings of cpu and memory in the configuration of each virtual machine. If it's set to parallels the whole system will crash
 
CHrisTheBiPolarBear said:
You have to change the hypervisor so it's set to Apple not parallels. Found I advanced stings of cpu and memory in the configuration of each virtual machine. If it's set to parallels the whole system will crash
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THANK YOU. This fixed it for me.
To do this, start up Parallels, click the cog on your VM and make sure this setting in yellow is set to Apple not the default of Parallels, otherwise you get a kernel panic:
uqZggKM.png
 
CHrisTheBiPolarBear said:
You have to change the hypervisor so it's set to Apple not parallels. Found I advanced stings of cpu and memory in the configuration of each virtual machine. If it's set to parallels the whole system will crash
Click to expand...
Could you explain how to do this? I am not sure how to switch that to correct it.
 
Confirmed it worked for me as well - had to force STOP the windows that was suspended of course to be able to change the hypervisor, but once I did that and made the change it boots.
 
A very nice engineer from Parallels did exactly that for me too and now I'm again able to use my VMs albeit they are a little slower on Apple hypervisor than they used to be on Parallels. But that one is crashing the Mac altogether. I was advised to wait for the fix as Parallels developers are investigating the issue.
Thank you everyone.
 
Great, would love to try this fix and see if it can all run again.
But, how do I stop windows from booting automatically in parallels, and getting to the settings before the whole thing reboots?
 
BarryR1 said:
Great, would love to try this fix and see if it can all run again.
But, how do I stop windows from booting automatically in parallels, and getting to the settings before the whole thing reboots?
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I second this. Once I launch Parallels, it locks up immediately. This occurred in Safe Mode as well.
 
So got some info from support after spending a lot of time on the phone with them yesterday.
But after following instructions to modify the config.pvs file, it still doesn't work.
Firstly I could not modify the file directly as explained in email, had to copy it, modify it and replace it back into the VM, but then the Mac doesn't restart, but windows will not boot. The mod was to change the hypervisor setting.
Expecting another call today and lets hope we can solve it.
 
BarryR1 said:
So got some info from support after spending a lot of time on the phone with them yesterday.
But after following instructions to modify the config.pvs file, it still doesn't work.
Firstly I could not modify the file directly as explained in email, had to copy it, modify it and replace it back into the VM, but then the Mac doesn't restart, but windows will not boot. The mod was to change the hypervisor setting.
Expecting another call today and lets hope we can solve it.
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Hello,
This issue has been escalated to the Parallels Engineering Team.
They are currently works on the resolution, but unfortunately do not share any ETA
Once we get any updates or workaround from them we will let you know.
 
Maria@Parallels said:
Hello,
This issue has been escalated to the Parallels Engineering Team.
They are currently works on the resolution, but unfortunately do not share any ETA
Once we get any updates or workaround from them we will let you know.
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Yes, that's great. The parallels teams has been doing a great job! I am expecting a call in about 15 mins.
 
OK for those of you who like me were totally shall we say screwed. I found a way to get the VM to start without crashing my MAC. Do not start parallels. Open the package and find the file config.pvs. Open it with Text edit or what ever editor you prefer. Locate the line <HypervisorType>0</HypervisorType>. Change the zero to a 1. This is the same as going into the config which I could never get to to apple. Hope this helps!!!
 
JamesW16 said:
OK for those of you who like me were totally shall we say screwed. I found a way to get the VM to start without crashing my MAC. Do not start parallels. Open the package and find the file config.pvs. Open it with Text edit or what ever editor you prefer. Locate the line <HypervisorType>0</HypervisorType>. Change the zero to a 1. This is the same as going into the config which I could never get to to apple. Hope this helps!!!
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Yes, this exactly what was done by parallels support team and also explained to me, but;
on my machine I could not edit the config file, not sure why but the support guy fixed that though the terminal. after that we modified the config file as you describe and copied the VM back to my machine from external HD.
I started it this morning and VM is working 100%
 
I don't have a config.pvs file in the contents package-- perhaps because the software was not properly installed in the first place. I am still being asked to restart my Mac. to complete the installation process. Called Parallels Support, and a guy from India tried almost everything that was suggested in this forum. No success, though. I am now waiting for a reply from level 2 support. I am pretty frustrated.
 
HJG.D2 said:
I don't have a config.pvs file in the contents package-- perhaps because the software was not properly installed in the first place. I am still being asked to restart my Mac. to complete the installation process. Called Parallels Support, and a guy from India tried almost everything that was suggested in this forum. No success, though. I am now waiting for a reply from level 2 support. I am pretty frustrated.
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I had the same problem this worked for me:

On the first page of this thread is a post from 'cybermice' on how to do the install of 15. Remove parallels 16 then follow his instructions to install version 15. Once you have 15 running do the install of 16. This worked for me. Your millage may vary.
 
I'm in a similar loop with the Public Beta of Big Sur. I only put Big Sur on my 2019 imac as Parallels V 16 was touted as being viable.I have done the things requested from me by support, but to no avali. Latest instructions were here:

Hello,

Thank you for your reply.

I request to follow the steps from this article and check if it resolves the issue.

https://bombich.com/kb/ccc5/some-third-party-storage-drivers-may-cause-hardware-misbehavior

If the issue persist, I request you to open terminal on the Mac and execute the following command
prlsrvctl problem-report --send --stand-alone
and reply to this email with the 9 digit code so that we can escalate this issue further.

Have great day.

Thanks,
Prabhakaran Muthukrishnan
Customer Support

Generated a 9 digit code for them and sent it over, but no idea where the report it actually generated is stored!

I'd imagine there's a lot of running round in the background to get this sorted by Parallels. They must have felt V16 was pretty robust before they released it, but clearly, once in the wild its all gone wonky!
 
JamesW16 said:
I had the same problem this worked for me:

On the first page of this thread is a post from 'cybermice' on how to do the install of 15. Remove parallels 16 then follow his instructions to install version 15. Once you have 15 running do the install of 16. This worked for me. Your millage may vary.
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I tried that twice. The install fails because "some necessary components are missing" in my operating system (translated from German).
 
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