Windows Defender can sometimes slows down and impact backups and restores.

Paste the lines below (this is an example) into an admin command prompt and it will add in exclusions to bypass Defender Scans. (There may be other programs to exclude, but this seems to be the majority of them that impact my team.)

powershell

Add-MpPreference -ExclusionProcess "rbclient.exe", "rbbackupprogress.exe", "rbtransfer.exe", “schwrap.exe", "exchangebackupservice.exe", "vhdbackup-64.exe", "rclient.exe", "RBRestore.exe"

Add-MpPreference -ExclusionPath "C:\BMR", "C:\Temp", "C:\Program files (x86)\Remote Backup\", "C:\Program files (x86)\Remote Backup\rbclient.exe", "C:\Program files (x86)\Remote Backup\rbbackupprogress.exe", "C:\Program files (x86)\Remote Backup\rbtransfer.exe", "C:\Program files (x86)\Remote Backup\schwrap.exe", "C:\Program files (x86)\Remote Backup\exchangebackupservice.exe", "C:\BMR\vhdbackup-64.exe", "C:\Program files (x86)\Remote Backup\rclient.exe", "C:\Program files (x86)\Remote Backup\RBRestore.exe"