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Error -10401 for all Tags on PIINT2 (No Write Access - Secure Object)

Question asked by M.Joachims on Feb 7, 2020
Latest reply on Feb 7, 2020 by LalBabuShaik

Lesson 4 - Configuring UniInt Failover with PI Interfaces

=>Configure a PI Interface & Enable the PI Buffer Subsystem


Following was done:


Setup PI DA server as cluster => OK

Setup PI failover Interface node with API for WIS => OK

Configure minimum security to have BufferSub. and the interfaces split up to two identities

  • Update the PI point security



  • On Node1 the interface is still working and collecting and updating data
  • On Node2 the interface is starting but complaining about write access (see below)


Failover is not configured at this step, just switch off the interface on PIINT1 and switch on on PIINT2.



What I noticed is that on PIINT2 the interface say Buffering status: "OFF", which might explain the issue but when I check the Buffering all seems to be working as expected: