The client has not registered a callback through IConnectionPoint::Advise ?

sree venkedesh 1 Reputation point
2022-01-17T11:55:43.097+00:00

when attempting to establish a connection from Matlab to IP21 server , i get an error :

The client has not registered a callback through IConnectionPoint::Advise

I understand this error is related to microsoft interface

setup :

client run on windows 10
server runs on windows 12

error message from client :

   message: 'The client has not registered a callback.'  
identifier: 'opc:connect:servererror'  

msdn link : https://learn.microsoft.com/en-us/windows/win32/api/ocidl/nf-ocidl-iconnectionpoint-advise

Please let me know to get rid of this issue.

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