KB1790: Veeam Backup Temporary Snapshot
https://www.veeam.com/kb179009.07.2013 · As detailed in the Veeam Backup & Replication User Guide, a snapshot is created on a VM that is being processed by a Veeam job.This creation of this snapshot causes the VM's base disks to be in a read-only state during the job's read operation. The snapshot that is created during this process is named VEEAM BACKUP TEMPORARY SNAPSHOT.
KB1065: Job fails with error "The create snapshot ...
https://www.veeam.com/kb106519.07.2011 · The snapshot cannot be created if the "Enable VMware tools quiescence" option is enabled in the job's properties. The same operation fails when trying to take a Snapshot via vSphere client with the option "Snapshot the virtual machine's memory" unchecked and the "Quiesce guest file system (Needs VMware Tools installed)" option enabled.
Job fails with error "The create snapshot ... - Veeam Software
www.veeam.com › kb1065Jul 19, 2011 · The snapshot cannot be created if the "Enable VMware tools quiescence" option is enabled in the job's properties. The same operation fails when trying to take a Snapshot via vSphere client with the option "Snapshot the virtual machine's memory" unchecked and the "Quiesce guest file system (Needs VMware Tools installed)" option enabled.