Error: An unexpected network error occurred. WINAPI: Cannot

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Error: An unexpected network error occurred. WINAPI: Cannot

Veeam Logoby cpnath » Mon Nov 13, 2017 6:49 am

Hi,

I've rolled out our first 9.5 upgrade recently. Jobs were running fine till yesterday.
Backup jobs started failing randomly with the following error message.

Error: An unexpected network error occurred.
WINAPI: Cannot get file size. File: [\\FilSrv\FilSrv-CIFS2\FilSrv-CIFS2-jobs\soam1.vm-5192D2017-11-11T120158.vib]

The subsequent job succeeds. Any help in figuring out the issue / resolving it is highly appreciated.
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Re: Error: An unexpected network error occurred. WINAPI: Can

Veeam Logoby DGrinev » Mon Nov 13, 2017 8:45 am

Hi Pashupathinath and welcome to the community!

Please contact the support team to take a closer look at the logs and do not forget to share the case id here. Thanks!
DGrinev
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Re: Error: An unexpected network error occurred. WINAPI: Can

Veeam Logoby steffescorp » Thu Dec 07, 2017 3:42 pm

CPnath: were you able to resolve the issue having similar issue
Error: An unexpected network error occurred. Failed to read data from the file [\\location of backupfile.vbk]. Failed to download disk. Reconnectable protocol device was closed. Failed to upload disk. Agent failed to process method {DataTransfer.SyncDisk}.
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Re: Error: An unexpected network error occurred. WINAPI: Can

Veeam Logoby DGrinev » Fri Dec 08, 2017 2:37 pm

Hi Perry,

Since cpnath haven't shared the case ID, we cannot check whether the issue been solved or not.
Can I ask you to contact the support team and share the case ID here, so we can track the investigation. Thanks!
DGrinev
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Re: Error: An unexpected network error occurred. WINAPI: Can

Veeam Logoby sparktallc » Wed Mar 28, 2018 4:47 am

I've been having this issue off and off. Fresh hardware and software that is otherwise currently running a production set of VMs without issue. I also run PRTG metrics to all hosts and VMs without any indicated issues.

Sometimes the replications fail but it's been the backups lately. No amount of restarting seems to affect things.

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