The NetWorker VMware Protection integration is configured with the vProxy Appliance. The vProxy backups are unable to open a target directory on the Data Domain. There are traditional NetWorker client policies that are properly backing up to the target Data Domain Pool. The backup log shows:
YYYY/MM/DD HH:MM:SS ERROR: [@(#) Build number: 89] 29150751-672c-4c2c-9c60-b0ee3719884e:[VMMOREF]:[VIRTUAL_MACHINE_NAME]: [ 2251] [140458165982976] [DATE_TIME] YYYY/MM/DD HH:MM:SS ERROR: [@(#) Build number: 89] ddp_open_dir() failed, Path //[NETWORKER_SERVER_NAME]/[TARGET_DEVICE_NAME]/active/7efb4100-00000006-f3ff587f-58ff587f-00105000-bcd9b756, Err: 5008-not a directory YYYY/MM/DD HH:MM:SS ERROR: [@(#) Build number: 89] 29150751-672c-4c2c-9c60-b0ee3719884e:[VMMOREF]:[VIRTUAL_MACHINE_NAME]: Unable to open target directory "/[NETWORKER_SERVER_NAME]/[TARGET_DEVICE_NAME]/active/7efb4100-00000006-f3ff587f-58ff587f-00105000-bcd9b756" on DD "[DATA_DOMAIN_NAME]". YYYY/MM/DD HH:MM:SS ERROR: [@(#) Build number: 89] 29150751-672c-4c2c-9c60-b0ee3719884e:[VMMOREF]:[VIRTUAL_MACHINE_NAME]: Unable to verify if target directory "/[NETWORKER_SERVER_NAME]/[TARGET_DEVICE_NAME]/active/7efb4100-00000006-f3ff587f-58ff587f-00105000-bcd9b756" on "[DATA_DOMAIN_NAME]" is empty. YYYY/MM/DD HH:MM:SS ERROR: [@(#) Build number: 89] 29150751-672c-4c2c-9c60-b0ee3719884e:[VMMOREF]:[VIRTUAL_MACHINE_NAME]: Backup has FAILED. YYYY/MM/DD HH:MM:SS NOTICE: 29150751-672c-4c2c-9c60-b0ee3719884e:[VMMOREF]:[VIRTUAL_MACHINE_NAME]: Backup session is exiting