Troubleshooting
- 1665 - Unknown machines appear among backup accounts
- 1636 - Issues resulting from Microsoft's deprecation of EWS
- 1666 - Xero backups failing due to insufficient permissions
- 1667 - Xero backups not completing due to daily API limits
- 1664 - Archiving fails with "account mismatch" errors
- Microsoft Graph error: HTTP 503 "Mailbox info is stale"