Error 0x87D13B97: Lost Mode Installation Block
Can't install apps when device is in Lost Mode.
Error Details
| Property | Value |
|---|---|
| Error Code (Hex) | 0x87D13B97 |
| Error Code (Dec) | -2016330857 |
Description
This error occurs when attempting to install applications on an iOS/iPadOS device that is currently in Lost Mode. Lost Mode is a security feature that locks down device functionality to protect corporate data and prevent unauthorized access. While in Lost Mode, all app installations and most device functions are intentionally blocked as a security measure.
Common Causes
Lost Mode Status
Device security measures automatically prevent app installations when Lost Mode is active. Lost Mode may have been enabled through various scenarios including device theft reporting, security incidents, or administrative actions. The intentional lockdown of device functionality serves as a critical security measure for protecting corporate data and preventing unauthorized modifications. Understanding the implications of Lost Mode activation is essential for proper device management.
📱 Security State Management
Lost Mode represents a specific device security state that affects multiple device functions. Attempting standard device management actions while in Lost Mode will be restricted or blocked entirely. The security state takes precedence over normal management operations to maintain device protection. Administrative intervention is required to modify the device state before normal operations can resume.
Resolution Steps
1️⃣ Lost Mode Verification
Begin by confirming the device's Lost Mode status through administrative channels. Access the Intune admin center to verify current device state and Lost Mode activation reason. Review security logs to understand when and why Lost Mode was enabled. Document the verification findings for security tracking purposes.
2️⃣ Security Assessment
Conduct a thorough security assessment before considering Lost Mode deactivation. Verify the authenticity of any device recovery claims. Review organizational security policies regarding Lost Mode procedures. Ensure all security requirements are met before proceeding with state changes. Document the assessment process and findings.
3️⃣ Lost Mode Deactivation
If security requirements are satisfied, proceed with Lost Mode deactivation. Access the Intune admin center's device management section. Follow proper procedures to disable Lost Mode. Monitor the device for successful state change completion. Verify normal device functionality is restored before attempting app installations.
Best Practices
👨💻 For IT Administrators
Effective Lost Mode management requires careful attention to security procedures. Implement clear documentation of Lost Mode activation and deactivation processes. Maintain detailed logs of all Lost Mode related actions and decisions. Establish clear criteria for Lost Mode deactivation approval. Create comprehensive security verification procedures for recovered devices. Consider implementing automated security state monitoring.
🔐 For Security Management
Security state management demands strict adherence to established protocols. Develop clear procedures for handling Lost Mode activation and deactivation requests. Implement thorough verification processes for device recovery claims. Maintain detailed security logs of all state changes. Create clear documentation of security decision criteria. Regular review of security procedures helps maintain effective protection.
Troubleshooting Tips
When dealing with Lost Mode, always prioritize security considerations. Follow established procedures for device state verification. Maintain proper documentation of all actions taken. Ensure proper authorization for state changes. Consider implementing additional security measures after recovery.
Lost Mode represents a critical security state requiring careful handling. State changes should only be made after thorough verification. Security implications extend beyond app installation capabilities. Consider potential data security risks during recovery. Document all security-related decisions and actions.
Additional Notes
💡 Lost Mode blocks all app installations
🔒 Security verification required before changes
⚠️ Follow proper recovery procedures
📱 Document all security actions
Related Links
Security Management Guide
-
Lost Mode Verification
- Check device status
- Review activation reason
- Verify security logs
- Document findings
-
Recovery Assessment
- Verify recovery claims
- Check security requirements
- Review policy compliance
- Document verification
-
State Management
- Follow security procedures
- Implement recovery steps
- Monitor state changes
- Maintain documentation
Always prioritize security considerations and follow established procedures when managing devices in Lost Mode, ensuring proper documentation of all actions and decisions.