Disable any network adapter power management to ensure consistent performance, especially if using network-based storage such as iSCSI.
Settings are often specific to a vendor's network adapter. Use the documentation in Microsoft Learn for the PowerShell cmdlet Disable-NetAdapterPowerManagement to see which options are available for disabling any power management settings present. Note that the use of this command could temporarily restart the network adapter and interrupt server connectivity. Below is an example execution that disables all power management features on a NIC named Ethernet 1.
Disable-NetAdapterPowerManagement -Name "Ethernet 1"