AADSTS70002: Error validating credentials. AADSTS50126: Invalid username or password (4258624)

While attempting to migrate data using On-Demand Migration, the events show the task is in a failed state.

POSSIBLE CAUSES:
1. A bad combination of Global Admin username or password was entered.

2. OneDrive not provisioned.

RESOLUTION 1:

• Login to the On Demand Migration portal
• Click Migrate on the left
• Click the Projects link
• Locate and open your Project
• Go to Accounts > Dashboard
• Click Configure Connections
• Select the Target and click Edit to update the credentials
• Click Save
• Click Finish

RESOLUTION 2:

• Login to the On Demand Migration portal
• Click Tenants on the left
• Select the Source / Target tenants and click Edit Consents
• Regrant consents for Core/Basics and Migration modules

RESOLUTION 3:

• For OneDrive migration, verify user's OneDrive has been provisioned
• To pre-provision OneDrive prior to migration, refer to https://learn.microsoft.com/en-us/sharepoint/pre-provision-accounts