How to fix OneDrive sign-in error, error code-CAA50021

Question

Dear all,

One of my employee is trying to login to OneDrive

on an VM with Windows server OS and when sign in getting an error with error code - CAA50021. Attaching a snapshot of the same here with

Answer 1

Hi @Gokul R Dev

Does this issue occur with OneDrive for web?

• Remove Office credentials Type 'Credential Manager' in Search Box and open 'Windows credentials'. Remove the related credentials of the account.
• Check if user device registration is enabled in Microsoft Entra ID
• Leave and rejoin Microsoft Entra ID

For details, please check out the last 2 methods in article: https://learn.microsoft.com/en-us/office/troubleshoot/activation/activation-error-0xcaa50021

Based on searching online, some users said using dsregcmd /cleanupaccounts command will be helpful for such issues. You may refer to The 5th's Pledger's reply in thread: https://learn.microsoft.com/en-us/answers/questions/55562/microsoft-team-error-caa50021-resolution-requested

---

If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".

Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

---