Secure NFS may not work in Active Directory domains if fully qualified usernames are enabled

Solution In Progress - Updated -

Issue

  • We are able to mount an NFS filesystem with sec=krb5, but files created by users are owned by nobody or nfsnobody
  • File ownership is correct if the NFS filesystem is mounted with sec=sys
  • Secure NFS may not work in Active Directory domains if fully qualified usernames are enabled

Environment

  • Red Hat Enterprise Linux 7 NFS server
  • Active Directory KDC
  • /etc/sssd/sssd.conf has 
use_fully_qualified_names = True

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