OneDrive Error Codes

How to Fix OneDrive Storage Device Error: Missing Account ID

Maira Mehtab Sep 22, 2026 869 views

Question details

The user needs to troubleshoot a OneDrive storage-device error stating that the 'drives_map' cannot be updated without an 'account_id'.

Product: Microsoft OneDrive
Device & OS: not provided
Scenario: Connecting a network or external storage device to a computer using Microsoft OneDrive.
Observed behavior: An error message appears indicating that the drives_map cannot be updated because an account_id is missing.

Before you start

Verify that your Microsoft account is fully authenticated on your operating system and check your network stability before attempting to map any cloud drives.

Solution 1Recommended

Seek Specialized Support via Microsoft Q&A

Since mapping OneDrive as a network drive involves advanced system configurations outside standard consumer support, posting your issue to the specialized Microsoft Q&A forum is the recommended approach to resolve account ID mapping errors.

Network-drive issues and WebDAV mapping errors often require backend account checks or complex registry modifications. Microsoft engineers and specialized IT professionals actively monitor the Microsoft Q&A forums to assist with these specific 'drives_map' updating issues.

Navigate to Microsoft Q&A

Open your web browser and navigate to the official Microsoft Q&A website (learn.microsoft.com/en-us/answers).

Access the OneDrive Section

Search for the 'office-onedrive' tag or go directly to the OneDrive support section to ensure your question reaches the right experts.

Post Your Error Details

Create a new thread detailing your exact setup, the 'drives_map' error message, and mention that it occurs when connecting a network or external storage device.

Advanced IT Support: If you received a private message from a Microsoft agent in a previous support thread, be sure to sign in to your Microsoft Community account and check 'View Private Messages' under your profile.

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Frequently Asked Questions

What does the 'Missing Account ID' error mean in OneDrive?

This error typically occurs when your system tries to map OneDrive as a local network drive via WebDAV, but the authentication token (or CID) required to update the local drive map configuration is missing or unrecognized.

Can I easily map OneDrive as a standard local network drive?

While technically possible using WebDAV configurations, it is prone to authentication errors like the 'account_id' issue. It is generally recommended to use the official OneDrive desktop synchronization client to access files locally instead.

Where can I get technical help for advanced OneDrive network issues?

Advanced issues, such as WebDAV network mapping and drives_map errors, are best addressed in the Microsoft Q&A forums under the 'office-onedrive' tag, where IT professionals and Microsoft support engineers provide specialized assistance.

How do I find my specific OneDrive Account ID (CID)?

Your unique OneDrive Account ID can usually be found by logging into OneDrive via a web browser. Look at the address bar URL for the parameter starting with 'cid='; the alphanumeric string following it is your account ID.

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