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Unable to log in to virtual machines through Power Panel

APPLIES TO:
  • Parallels Cloud Server 6.0
  • Parallels Server
  • Parallels Virtual Automation 6.0

Symptoms

When you try to log in to a virtual machine through Power Panel with valid credentials, you get the following error:

An invalid username or password. Please try again.

An invalid username or password. Please try again.

Similar errors are observed in the Power Panel log:

~# tail -f /var/log/pva/pp/2011.02.17-cpcon.log
17/02/2011 23:21:12.0267720 [18712] : virtual AuthResult ::SsoVEuserAuth::log_on(WebCP*, const HttpRequest&, const VZL::VZLGUID&, const VZL::eid_t&, Session**) at AuthMethods/SsoVEuserAuth.cpp:118 : (SSO) No SAML token in request - user is not authenticated.

Direct login via command line also fails:

~# prlctl auth VMNAME --username root --userpassword PASSWORD
Authenticating user with VM security database...
Failed to authenticate user with VM security database: Unable to authenticate the user. Make sure that the specified credentials are correct and try again.

You know that the credentials are valid because you are able to log in to the virtual machine with these credentials by SSH/RDP.

Cause

NOTE: Prior to troubleshoot the issue make sure all pending updates for Parallels software are installed.

The virtual machine has an unsupported partition configuration, e.g. reiserfs:

~# prlctl enter VMNAME
-bash-3.2#mount
/dev/sdb1 on / type reiserfs (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)

or Logical Volume Group:

~# prlctl enter VMNAME
-bash-3.2# mount
/dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
/dev/hda1 on /boot type ext3 (rw)
tmpfs on /dev/shm type tmpfs (rw)
none on /media/psf type prl_fs (rw,nosuid,nodev,sync,noatime,share,)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)

or, the system volume in Windows Virtual Machine is a Dynamic Disk.

Resolution

Partitions of this kind are currently not supported inside virtual machines, so please use plain partition without LVM on Linux and Basic NTFS disks on Windows instead.

Search words:

unable to login

login fails

No SAML token in request - user is not authenticated

An invalid username or password. Please try again.

power panel

cannot login

offline management

can't access the PP on 4648

can't access the PP on VM




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