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Unable to Start Virt Manager on Oracle Linux 7 (Doc ID 2482065.1)

Last updated on JUNE 01, 2020

Applies to:

Linux OS - Version Oracle Linux 7.0 and later
Linux x86-64

Symptoms

Trying to start virt-manager on a server running Oracle Linux 7 fails with the following error:

Authentication unavailable: no polkit agent available to authenticate action 'org.libvirt.unix.manage'

Libvirt URI is: qemu:///system

Traceback (most recent call last):
File "/usr/share/virt-manager/virtManager/connection.py", line 1000, in _do_open
self._backend.open(self._do_creds_password)
File "/usr/share/virt-manager/virtinst/connection.py", line 149, in open
open_flags)
File "/usr/lib64/python2.7/site-packages/libvirt.py", line 105, in openAuth
if ret is None:raise libvirtError('virConnectOpenAuth() failed')
libvirtError: authentication unavailable: no polkit agent available to authenticate action 'org.libvirt.unix.manage'

 

 

 

Cause

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In this Document
Symptoms
Cause
Solution

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