DB00501E - OPEN ERROR - RETURN CODE 25 (020) CXX=AD11CXX occurs when starting DBAS.
When CA Datacom/AD RC 25 (20) return code occurs during the start up of CA 11 WA it is an indication that there was an attempt to open a database not defined to the directory.
You will see the messages similar to the following in the CA 11 WA started task job log:
DB00501E - OPEN ERROR - RETURN CODE 25 (020) CXX=AD11CXX (601)
U11D-0230-C UNABLE TO ACCESS CA-DATACOM DATABASE, OPEN, 25
DB13001E - UNEXPECTED RETURN CODE 25 (20)
Ensure that the CXX DD statement in the CA Datacom/AD started task is referencing the correct CXX dataset which has the database defined to it. If the CXX dataset is correct, then it is possible that the database id is not defined and SAMPJCL library member AL7AD1 (L730AD1 in r3.0) will have to be run. After running SAMPJCL library member AL7AD1 (L730AD1 in r3.0), SAMPJCL library member AL7AD2 (L730AD2 in r3.0) will need to be run to define the CA 11 files. Once this is done, you should run CA Datacom/AD DBUTLTY the following JCL to confirm that the database is present:
//CXXRPT EXEC PGM=DBUTLTY,REGION=3M
//STEPLIB DD DISP=SHR,DSN=DATACOM.CUSLIB
// DD DISP=SHR,DSN=DATACOM.CAILIB
//CXX DD DSN=DATACOM.CXX,DISP=SHR <-----CXX NAME
//SYSUDUMP DD SYSOUT=*
//SNAPER DD SYSOUT=*
//SYSPRINT DD SYSOUT=*
//SYSIN DD *