InterSystems IRIS TSQL Code 18456 Login failed for user ‘%ls’.

In this post, you’ll learn about the SQL error code 18456 in InterSystems IRIS database the reason why you are receiving the TSQL message when using the InterSystems IRIS data platform

Error Code :

18456

Reason for the Error code 18456 in InterSystems IRIS DBMS

Login failed for user ‘%ls’.

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