Two virtual servers (Hyper-V) that have been working fine have suddenly stopped backing up differentially. One is 2012 R2 and the other 2016.
The errors on Backup Exec (20.4 ) are the same for both:
Media Label: *********
GRT backup set folder: ****************
The standard processing method will be used for incremental and differential backups.
The data in Pagefile.sys will be skipped during backup because the data is transient and does not need to be restored.
26 June 2019 09:18:57 - Error writing file data.
26 June 2019 09:19:05 - Error writing file data.
26 June 2019 09:19:11 - Error writing security data stream.
26 June 2019 09:19:11 - Error writing security data stream.
26 June 2019 09:19:11 - Error writing security data stream.
26 June 2019 09:19:11 - Error writing security data stream.
26 June 2019 09:19:13 - V-79-57344-38721 - Failed to mount one or more virtual disk images:
Not had a lot of luck with Google and not all that experienced with Hyper-V
Anyone got any ideas?
