We recommend disabling anti-virus on all machines performing migrations. Failure to disable anti-virus will significantly reduce performance and can potentially lead to migration failures.
Alternatively, you can create anti-virus exclusions for the following directories:
We also recommend disabling all vulnerability scanning software, such as SPAM filtering, and any other network scanning that reduce migration performance.
Windows Security Settings
Click on Windows Security in the system tray found in the lower-right corner of your screen. Check for any anti-virus software and/or Windows Defender.
Click on Virus & threat protection
Click on Manage settings
Turn Off Real-time protection
Disable from Control Panel
Open Control Panel and Search for Windows Defender.
Uncheck Turn on real-time protection
Alternatively, you may disable Windows Defender form your Registry.
Disable from Registry
Open the Registry Editor and go to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender.
Right-click on the right window and select New > DWORD > 32-bit Value. Name the new DWORD: DisableRealtimeMonitoring.
Set the Value data to 1 to disable and delete the DWORD you created to enable.