Fix Exchange Admin Center Freezing When Removing Quarantined Mobile Device
Question details
Administrators cannot remove a quarantined mobile device because the Exchange admin center interface freezes on the Saving screen.
- Product
- Microsoft Exchange Online
- Device & OS
- not provided
- Scenario
- Attempting to remove a quarantined mobile device from the Exchange admin center interface.
- Observed behavior
- The interface becomes stuck on the Saving prompt and freezes, leaving the mobile device in a quarantined state across multiple administrator accounts.
Ensure you are logged in with Global Administrator or Exchange Administrator credentials and verify that your Microsoft 365 tenant is not currently experiencing active service degradation.
Verify RBAC Permissions and Device Configurations
Check your Exchange Online RBAC permissions and ensure there are no conflicting Intune access policies causing the interface to freeze.
The freezing issue typically stems from insufficient administrative permissions or conflicting mobile device access policies that prevent the Exchange Admin Center from saving the new device state.
Sign in to the Exchange Admin Center and navigate to the roles or permissions section to ensure your administrator account has the required Exchange Online Role-Based Access Control (RBAC) permissions to manage mobile devices.
Access the Microsoft Intune admin center and review your device compliance and conditional access policies to verify there are no conflicting rules keeping the device quarantined.
If permissions and policies are correct but the interface still freezes on Saving, collect diagnostic logs and submit a support ticket to Microsoft Support for backend assistance.
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Frequently Asked Questions
Why does the Exchange Admin Center freeze on the Saving screen?
This freezing behavior usually happens when there are conflicting mobile device access policies between Exchange and Intune, or when the admin account lacks the specific RBAC permissions required to process the device state change.
Can I remove a quarantined mobile device using the Microsoft 365 Defender portal?
No. The Microsoft 365 Defender quarantine portal is designed exclusively for handling quarantined messages and files. Mobile device management must be done via the Exchange Admin Center or Intune.
What should I do if multiple administrators experience this freezing issue?
If multiple administrators with the correct RBAC permissions face the same issue, it suggests a tenant-level backend problem. You should collect network diagnostic logs (like a HAR file) from your browser and escalate the issue to Microsoft Support.
