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Removing montiored items and suscription-inactive montior item problem

Ali Waris

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07/23/2020 - 12:37

Hi ,When I am closing my OPCUA client ,I am removing monitor items and apply changes to subscription.Then I delete subscription from session before closing session.But still monitor items are not completely removed from server hence showing as inactive items.Is there any thing I am missing.

Randy Armstrong

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07/27/2020 - 02:14

Closing the session with the ‘deleteSubscriptions’ flag set to true should remove all monitored items.

https://reference.opcfoundatio…..4/#5.6.4.2

Ali Waris

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07/27/2020 - 11:03

Thanks for your reply.I am doing similar thing but when I use server monitoring tool from Matrikon I can see few items which server is keeping as cache.I think it may be be due to parameter “disable monitor item cache ” but changing that still doesn’t do anything.

Randy Armstrong

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07/27/2020 - 14:22

It is either a server bug or your monitoring client is keeping the items alive because it is monitoring them.

Do you know what the monitoring client is looking at?