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

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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.

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