Microsoft backup on Server 2012 R Standard server

I have a Dell PowerEdge R730XD running 2012 R Standard server 96GB ram, 12TB RAID 10 SAS with an external drive for backup
I started the M.S. backup on Friday evening to do a full backup which it completed. after the first backup it's failing, I suspect it's simply running out of time. Can I get some suggestions here?
If I can't get M.S. backups to work I'll install Acronis to do this

thanks
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jsarinanaI.T. ManagerAsked:
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MdlinnettConnect With a Mentor Commented:
No it's device based, each device is enough on it's own to restore your full backup.
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jsarinanaI.T. ManagerAuthor Commented:
Sorry, here is more info. The external is a simple USB 3 unit with a 6TB drive, I suspect it can be the size of this drive not supported by M.S. backup but if that's true why would it complete the first time? attached is the details of the backup schedule and error
MS-backup-issue.pdf
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pgm554Commented:
Are you running more than one scheduled backup at a time?
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jsarinanaI.T. ManagerAuthor Commented:
no just one nightly at 8:00 pm
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MdlinnettCommented:
It's running fine.  The issue is that the job isn't finished by the time it needs to start again.

How many of these backup devices do you have? One per day?

You need to do a differential backup so that, per backup device, you have one big backup that takes a long time.  The subsequent backups should then backup only those files that have changed, and therefore not take as long.
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jsarinanaI.T. ManagerAuthor Commented:
so when I need to recover, what happens? recovery needs to look at all devices?
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jsarinanaI.T. ManagerAuthor Commented:
I do have a USB unit that holds 5 drives
any suggestions?
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MdlinnettCommented:
What is your current rotation schedule? Is it once per week or once per day?  It isn't really a factor I don't think as the change you need to make is for the job as a whole, regardless of the number of devices used.

I've just been looking at the Windows Server Backup window on a VM I have, and the settings you're looking for are on the right hand side of the window > Configure Performance Settings...

From here you can choose to, rather than a full backup every night, check what has changed and update those files only.

See how you get on with that but rest assured, your backup IS working :).
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jsarinanaI.T. ManagerAuthor Commented:
Thanks I ended up using Acronis instead
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