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5.6. Hot Plugging Virtual CPUs
You can hot plug virtual CPUs. Hot plugging means enabling or disabling devices while a virtual machine is running.
The following prerequisites apply:
- The virtual machine's Operating System must be explicitly set in the New Virtual Machine window.
- The virtual machine's operating system must support CPU hot plug. See the table below for support details.
- Windows virtual machines must have the guest agents installed. See Section 3.3.2, “Installing the Guest Agents and Drivers on Windows”.
Important
Hot unplugging virtual CPUs is not currently supported in Red Hat Virtualization.
Procedure 5.16. Hot Plugging Virtual CPUs
- Click the Virtual Machines tab and select a running virtual machine.
- Click .
- Click the System tab.
- In the Advanced Parameters section, change the value of Virtual Sockets as required.
- Click .
|
Operating System
|
Version
|
Architecture
|
Hot Plug Supported
|
|---|---|---|---|
|
Red Hat Enterprise Linux 6.3+
|
x86
|
Yes
| |
|
Red Hat Enterprise Linux 7.0+
|
x86
|
Yes
| |
|
Microsoft Windows Server 2008
|
All
|
x86
|
No
|
|
Microsoft Windows Server 2008
|
Standard, Enterprise
|
x64
|
No
|
|
Microsoft Windows Server 2008
|
Datacenter
|
x64
|
Yes
|
|
Microsoft Windows Server 2008 R2
|
All
|
x86
|
No
|
|
Microsoft Windows Server 2008 R2
|
Standard, Enterprise
|
x64
|
No
|
|
Microsoft Windows Server 2008 R2
|
Datacenter
|
x64
|
Yes
|
|
Microsoft Windows Server 2012
|
All
|
x64
|
Yes
|
|
Microsoft Windows Server 2012 R2
|
All
|
x64
|
Yes
|
|
Microsoft Windows 7
|
All
|
x86
|
No
|
|
Microsoft Windows 7
|
Starter, Home, Home Premium, Professional
|
x64
|
No
|
|
Microsoft Windows 7
|
Enterprise, Ultimate
|
x64
|
Yes
|
|
Microsoft Windows 8.x
|
All
|
x86
|
Yes
|
|
Microsoft Windows 8.x
|
All
|
x64
|
Yes
|
