When running a backup of a Hyper-V VM you may run into this issue:   Selected writer ‘Microsoft Hyper-V VSS Writer’ is in failed state Status: 8 (VSS_WS_FAILED_AT_PREPARE_SNAPSHOT)   – Writer Failure code: 0x800423f3   The above error requires further investigation. You need to check the Windows and Hyper-V logs as shown in this article […]

Factors impacting backup speed: * if service priority is less than normal, the backup slows down when other apps take CPU * I/O of overall system services. * fragmentation of source and target drives. * bandwidth of source and target * Each CPU core’s speed * Activity level of the entire system * Disk failure. […]

Check out these blogs with helpful Hyper-V articles Anthony Crotty MS4u Claus Nielsen Dec’s Dom Blog Dennis Olidis Hyper-V.nu James Summerlin Kristian Nese Mark Wilson Nathan Winters Nick “The Naked MVP” Whittome Paul Williams Server Talk – Michel Luescher Tim Bolton Ultan Kinahan Windows User Group Ireland