Troubleshooting
All Supported Operating System
Symptom 1
Unable to load the Verizon Mobile Broadband Manager in your browser.
Resolution
Consider the following scenario:
• You use firewall, internet security, antivirus and/or endpoint protection
software.
Please proceed following steps.
1. Open your local firewall, internet security, antivirus and/or endpoint
protection software.
2. Ensure that an entry exists in the whitelist sites or trusted sites list for
192.168.32.x, mbb.vzw.com, and 127.0.0.1.
3. Ensure that an entry exists in the whitelist protocols or trusted
protocols list for port 4330.
4. On the "Custom level" dialog, you need to "Enable" the "Access data
sources across domains" option.
5. Reboot your PC.
30 Troubleshooting