SQLCODE = -991, ERROR: CALL ATTACH WAS UNABLE TO ESTABLISH AN IMPLICIT CONNECT OR OPEN

Document ID : KB000072259
Last Modified Date : 22/05/2018
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Issue:
User gets this message when trying to connect remotely.
SQER.00 r20.0 ----------------- SQL ERROR ------------------ 01/26 14:38
A PRF DATA BASE ERROR HAS OCCURRED The information below describes an error condition detected in DB2. The error is not necessarily a problem with the application that you are executing. Carefully examine the error message to determine if the error could have been caused by entering incorrect data, not holding required authorization, or possibly a problem with your DB2 system.
PRESS PFK3 TO EXIT ------------------------------------------------------------------------------
DSNT408I SQLCODE = -991, ERROR: CALL ATTACH WAS UNABLE TO ESTABLISH AN IMPLICIT CONNECT OR OPEN TO DB2. RC1=000C RC2=00F30006 DSNT418I SQLSTATE = 57015 SQLSTATE RETURN CODE DSNT415I SQLERRP = DSNACA00 SQL PROCEDURE DETECTING ERROR DSNT416I SQLERRD = 0 0 0 -1 0 0 SQL DIAGNOSTIC INFORMATION DSNT416I SQLERRD = X'00000000' X'00000000' X'00000000' X'FFFFFFFF' X'00000000' X'00000000' SQL DIAGNOSTIC INFORMATION PRF1072I Report Facility module name: PRFWSTR; SQL statement #: 13
Resolution:
This problem was linked to RAF issue that user had. Resolving the RAF problem resolved this problem as well.