IBM DB2 Error Code -991 – call attach was unable to establish an i

In this post, you’ll learn about the IBM DB2 Error -991 and the reason why you are receiving it

IBM DB2 Error Code :

-991

Reason for this Error in DB2

CALL ATTACH WAS UNABLE TO ESTABLISH AN IMPLICIT CONNECT OR OPEN TO DB2. RC1= rc1 RC2= rc2