Why I cannot change my status from"status unknown" to available? I was trying to change my status from appear offline and available but still it shows "status unknown"

If your status in Microsoft Teams is showing as "Status unknown" and you are unable to change it to "Available" or "Appear offline," it could be due to several reasons:

1. Contact Status: If the contact you are trying to view is offline or has set their presence status to "Appear offline," it may cause your status to show as unknown.
2. Network Issues: There might be a network communication issue affecting the unified presence service (UPS), which can prevent status updates.
3. Using Different Platforms: If the contact is using Microsoft Skype for Business, the presence status may not update correctly in Teams due to coexistence scenarios.
4. Sign-in Issues: Ensure that you are signed in to Teams properly and that your network connectivity is stable.

To troubleshoot, you can verify if you are signed in, check your network connection, and ensure that the contact is also using Teams. If the problem persists, consider reaching out for support with detailed information about the issue.

References:

• A contact's presence status is unknown in Teams
• The correct presence status isn't reflected in Teams