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Veeam | kb2890
Hyper-V Backup jobs failing with an error "The system cannot find the file specified" after upgrade to Veeam B&R 9.5 Update 4
Last update date:
3/22/2021
Affected products:
Veeam Backup & Replication
Affected releases:
ALL
Fixed releases:
No fixed releases provided.
Description:
Challenge
After installing Veeam Backup & Replication 9.5 Update 4, Hyper-V backup without application-aware processing may fail with the error "The system cannot find the file specified".
Cause
This issue is caused by the snapshot path in the VM 's configuration being different from the actual path on a file system in terms of symbols capitalization. You can confirm this by comparing paths in bold in the Task.<VM NAME>.<VM UUID>.log file:[22.01.2019 19:39:09] <28> Info [AP] (65e8) output: <snapshots>[22.01.2019 19:39:09] <28> Info [AP] (65e8) output: <data_root type="string">C:\Temp\<VM name></data_root>[22.01.2019 19:39:09] <28> Info [AP] (65e8) output: <list>[22.01.2019 19:39:09] <28> Info [AP] (65e8) output: <size type="integer">0</size>[22.01.2019 19:39:09] <28> Info [AP] (65e8) output: </list>[22.01.2019 19:39:09] <28> Info [AP] (65e8) output: </snapshots>[22.01.2019 19:39:09] <11> Info [AP] (65e8) command: 'file2text\n\\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy16\temp\<VM NAME>\Snapshots\<VM UUID>.xml\n2097152\n'[22.01.2019 19:39:10] <10> Info [ReconnectableSocket] Stop confirmation was sent on [c1d84e94-b09b-4039-a8dc-4973e12934fc]. [22.01.2019 19:39:10] <23> Error [AP] (65e8) error: The system cannot find the file specified. [22.01.2019 19:39:10] <23> Error Failed to open file [\\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy16\temp\<VM NAME>\Snapshots\<VM UUID>.xml] in readonly mode.
Solution
There are two methods for correcting this issue depending on your preference:1. Install an updated version of Veeam Backup & Replication 9.5 U4b: This issue is resolved in Veeam Backup & Replication 9.5.4.2866 Please download and install the update from https://www.veeam.com/kb2970 2. Change snapshot path in VM configuration manually: Connect to the Hyper-V host and go to VM Configuration of VM in question; Go to Checkpoints tab and choose ‘Browse…’ underneath the snapshot path; Update the path.
