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NFS authentication troubleshooting?

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The Question is:

Version 2 nfs mounts served from alpha server running OPEN VMS V7.2-1 onto
 Tru64 server running V5.0.
When Tru64 client server boots we get the following error apon nfs mounts :
 RPC: Authentication error
But once server is up , we can :
mount -a
And the nfs mounts are successfull.
Any ideas as to cause of this issue and possible fixes ?

The Answer is :

  If you are not already using TCP/IP Services V5.3 or later (as
  available) and with the current ECO, please upgrade.  Please also
  consider upgrading to OpenVMS Alpha V7.2-2 or V7.3-1 or later
  (as available).
  Please check the NFS server log for the underlying cause of the
  authentication error; TCPIP SHOW SERVICE NFS/FULL for details.
  Please also check that the users involved in the initial and the
  subsequent and successful mount operations have correct proxies.
  To reload proxies particularly on TCP/IP Services V5.1 and later
  delays in loading the proxies can also cause authentication errors.
  For further assistance, please contact the support center directly.

answer written or last revised on ( 10-DEC-2002 )

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