RHEL7: Connections to domain based DFS share fail for SMB2

Solution Verified - Updated -

Issue

  • Mounting domain based DFS shares with SMBv2.x and SMBv3.x fail.
  • Shares can be mounted with SMBv1.

Environment

  • Red Hat Enterprise Linux 7.5
  • kernel-3.10.0-862.el7 or higher kernel, but before kernel-3.10.0-957.el7
  • SMB2
  • Domain based DFS share where the Active Directory Domain Controller is not the DFS root.

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