Test Restore Consumed Network Bandwidth

Evaluating urBackup:Restore
350GB to Restore to networked PC HDD (1000base Cicso Switch Network)
Slow Restore: 90mins for first 35GB…
Other users PC/connections on network slowed to 5% or less; un-usable
SolarWinds shows port on 48-port switch is consumed (98% utilization)
Discontinuing corrected the issue.

Q1) Suggestions?
Q2) Does Backup Throttling also affect Restore?