Pantech ORBIT User Manual

Troubleshooting 47

The communication between the modem and the computer stops. 
Additionally, a yellow exclamation mark (!) appears next to the device name 
in Device Manager.

Consider the following scenario:

•  You have a computer that is running Windows 7, Windows Server 2008 

R2, Windows Vista or Windows Server 2008. 

•  You attach a USB Remote Network Driver Interface Specification (RNDIS) 

device to the computer through an external USB hub.

•  You remove the modem from the USB hub and then reattach.

Please proceed by installing the Microsoft Hotfix located at the following 
Web site:

The NDIS device is not completely removed from the fault-tolerant system. 
The fault-tolerant system cannot fail over to another NDIS device. Therefore, 
the system is in a non-redundant state.

Consider the following scenario:

•  You use a fault-tolerant system that is running Windows Server 2008 R2 

or Windows 7.

•  You suddenly remove a Network Driver Interface Specification (NDIS) 

device from the system. 

Please proceed by installing the Microsoft Hotfix located at the following 
Web site: