Symptoms

VDI Agent fails to connect to KVM host from Parallels Remote Application Server Console:

Logs

[E 0C/00000023/TB5E79B70] Mon Jan 29 16:45:36 2018 - virConnectOpenAuth() failed, error code = 45, reason = authentication failed: unsupported authentication type 1
[E 0C/00000035/TB5E79B70] Mon Jan 29 16:45:36 2018 - Failed to connect to remote VDI host.

Cause

libvirt misconfiguration. SASL authentication is configured which is not yet supported

Resolution

1. Modify libvirt configuration:

   • in libvirt configuration file located here

     /etc/libvirt/libvirtd.conf
     

   • find string

     auth_unix_rw="sasl"
     

     

   • and change it to

     auth_unix_rw="none"
     

     

2. Restart libvirt service:

   systemctl restart libvirtd
   

3. Attempt to connect to VDI host from Parallels Remote Application Server Console again.