Your harddisc has crashed. After the replacement you have to install your OneDrive Pesronal and OneDrive for Business and all the diffrent connections manually. Same procedure, if you got a new device.

OneDrive for Business

And you know, there are a lot of settings:

• Start OneDrive automatically when I sign in to windows
• Automatically pause sync when this device is on a metered network
• Display notifications when people share with me
• Warn me before removing files from the cloud
• Notify me when sync is auto-paused
• Save space and download files as you use them

for each account/location: Choose folders settings

Manage Backup

• Upload rate
• Download rate
• Use Office applications to sync Office files that I open
• Sync conflicts
• Insider version
  Yes, several settings may be controlled via group Policies, but not all .OneDrive Personal (Consumer)
• Choose folders
• Personal Vault Lock time
• Photos and videos
• Screenshots
• Upload rate
• Download rate
• Use Office applications to sync Office files that I open
• Sync conflicts

User Voice request:

Save and Restore the configuration to the cloud

client	Save/restore  from cloud
OneDrive for Business	ODFB Configuration  with device id
OneDrive Personal	Onedrive Configuration: with Device ID

This could save so much time, individuals or enterprise companies.Please vote here

• • on

UserVoice [Update 30.12.21] Microsoft Feedback Portal OneDrive