Error while saving to NAS
I am having this recurring error on this version, as well as previous ones. I am saving my backups to a small QNAP NAS connected via 1 Gbit NIC to my network and PC. The backup runs well until some day it gives me the following error:
Failed to prepare data stream. Check whether the source and target partitions exist.
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More information about this error and solutions may be available online in the Acronis Knowledge Base.
To access the online resource manually, enter the event code at: http://kb.acronis.com/errorcode/
Event code: 0x000B03E9+0x0004000F+0x00040007+0x0000FFF0+0x80070003
followed by:
Operation has completed with errors. 0x9F2C53C72E8BCD1F
and:
Batch operation has completed with errors.
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More information about this error and solutions may be available online in the Acronis Knowledge Base.
To access the online resource manually, enter the event code at: http://kb.acronis.com/errorcode/
Event code: 0x00670000
If I setup a new backup, it will work just fine. But the one that failed continues to fail, so the job is unusable. Previous backups are fine and I can restore data from them.
Any ideas?


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Thank you for your reply. I am using a UNC path to the NAS. Should I perhaps use a mapped drive? But that wouldn't probably make a difference.
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A UNC path is best for access to an NAS device, would leave that be. From the sounds of your comments it appears that the backups are successful even though you receive the error codes. Often what is failing in these situations is the validation step of the backup task. If you have validation set to run after each backup completes you might wish to change the task to not perform the validation step. I recognize this may not be desirable or efficient or whatever but in doing this you could allow the backup to run for several cycles manually validating each one in an attempt to find out if in fact your problem is with the validation step in the backup task schedule. If you find that is the case then you might be able to run a post command script to run validation after a set period of time following completion of the backup task
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The backups run just fine for days, sometimes weeks. Then one day they no longer run. And they never run again. I have to create whole new job in order for it to run. If I create a new job, it runs. The old one (the one that failed) never runs again. Isn't that strange (and annoying)?
I do not have validation on.
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