How to Limit Parallel Disk Processing in Veeam Agent for Microsoft Windows

The following registry values can used to control parallel disk processing on the machine where Veeam Agent for Microsoft Windows is installed:

To disable parallel disk processing:

Key Location: HKLM\SOFTWARE\Veeam\Veeam Endpoint Backup
Value Name: EnableParallelDiskProcessing
Value Type: DWORD (32-Bit) Value
Value Data: 0

To change the parallel disk processing limit:

Key Location: HKLM\SOFTWARE\Veeam\Veeam Endpoint Backup
Value Name: ParallelProcessingMaxConcurrentDisks
Value Type: DWORD (32-Bit) Value
Value Data: X

Where "X" is the maximum number of disks to be processed concurrently. For example, to allow only simultaneous processing of 2 disks, change the value to 2.