WFA nightly backup fails after new install and import backup

Applies to

• OnCommand Workflow Automation(WFA) 5.1.x
• MS Windows installation

Issue

• after re-installing WFA as it was and import backup, the default nightly backup at 2 am does not work
• manual backup does work

server log error:

2022-08-29 02:00:13,353 ERROR [org.jboss.as.ejb3.invocation] (EJB default - 4) WFLYEJB0034: EJB Invocation failed on component DbBackuperImpl for method public abstract java.io.File com.netapp.wfa.backupandrestore.DbBackuper.backup(boolean,java.lang.String,java.lang.String): javax.ejb.EJBException: BackupAndRestoreException{Message: Could not zip backup file., Cause: java.io.FileNotFoundException: C:\Program Files\NetApp\WFA-Backups\WFA_V5.1.0.0.1_B5511365_08_29_22__02_00_09.zip (Access is denied)}
    at org.jboss.as.ejb3@17.0.1.Final//org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:246)
    ....
Caused by: java.io.FileNotFoundException: C:\Program Files\NetApp\WFA-Backups\WFA_V5.1.0.0.1_B5511365_08_29_22__02_00_09.zip (Access is denied)
...

2022-08-29 02:00:13,353 ERROR [org.jboss.as.ejb3.timer] (EJB default - 4) WFLYEJB0020: Error invoking timeout for timer: [id=ca87a10d-7284-4261-abbf-94e68137ad3a timedObjectId=wfa-0.5.upgraders-0.5.RegularBackupServiceImpl auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl@8534b8b initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Tue Aug 30 02:00:00 CEST 2022 timerState=IN_TIMEOUT info=REGULAR_BACKUP_SERVICE]: javax.ejb.EJBException: BackupAndRestoreException{Message: Could not zip backup file., Cause: java.io.FileNotFoundException: C:\Program Files\NetApp\WFA-Backups\WFA_V5.1.0.0.1_B5511365_08_29_22__02_00_09.zip (Access is denied)}
    at org.jboss.as.ejb3@17.0.1.Final//org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:246)
    ...
Caused by: BackupAndRestoreException{Message: Could not zip backup file., Cause: java.io.FileNotFoundException: C:\Program Files\NetApp\WFA-Backups\WFA_V5.1.0.0.1_B5511365_08_29_22__02_00_09.zip (Access is denied)}
    at deployment.wfa-0.5.ear.upgraders-0.5.jar//com.netapp.wfa.backupandrestore.DbBackuperImpl.backup(DbBackuperImpl.java:121)
    at deployment.wfa-0.5.ear.upgraders-0.5.jar//com.netapp.wfa.backupandrestore.DbBackuperImpl.backup(DbBackuperImpl.java:50)