Problem in mounting CIFS shares after applying Windows patch KB2478960

Solution Verified - Updated -

Issue

  • Unable to mount CIFS shares after applying Windows patch KB2478960 to Windows 2003 R2 machine.

mount -t cifs //win-system1/CIFSSHARE /mnt/tmp -o sec=krb5

mount error 22 = Invalid argument

  • Logs -

kernel: fs/cifs/asn1.c: Error decoding last part negTokenInit exit3kernel: fs/cifs/cifssmb.c: Signing disabled
kernel: fs/cifs/cifssmb.c: negprot rc -22
kernel: fs/cifs/connect.c: CIFS VFS: leaving cifs_mount (xid = 11) rc = -22
kernel: CIFS VFS: cifs_mount failed w/return code = -22

Environment

  • Windows 2003 R2
  • Red Hat Enterprise Linux 5 Update 5

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