Not sure what is going on here; this error message occurs whenever the netbackup
server tries to perform it's catalog backup.

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Backup by CatalogBackup on client PERBKUP301 using policy CatalogBackup,
sched Full-Morning:cannot connect on socket.

may have more information..

File list
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01B5EA48

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Backup on PERBKUP301 by PERBKUP301 failed.

EXIT STATUS 25 - cannot connect on socket

File list
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CATALOG_DRIVEN_BACKUP