The [BBSIP] service book is not installed on the BlackBerry device.

To view service books on the BlackBerry device, click Options > Advanced Options > Service Book. If the [BBSIP] service book is not available, contact an administrator of the BlackBerry Enterprise Server.

The user is outside a wireless coverage area.

On the BlackBerry device, verify that the device is in a wireless coverage area where the user can send and receive data messages and use the phone.

The BlackBerry MVS Services are not running.

On the BlackBerry MVS Server that the user account is associated with, in the Windows Services, verify that the MVS Console service, MVS Session Manager service, MVS Data Manager service, MVS BlackBerry Enterprise Server Connector service, and MVS Witness Server service are running. If necessary, start the services. Users will not be able to use the BlackBerry MVS while the services are starting.

The BlackBerry Mobile Voice System user account is not active.

1. In the MVS Console, in the left pane, click Users.
2. Click Manage.
3. Click Search.
4. In the Enabled column, verify that the user account is active.

The BlackBerry device does not have data capability.

On the BlackBerry device, verify that the wireless transceiver is turned on.

Data services on the BlackBerry device are turned off.

On the BlackBerry device, try performing the following actions:

1. On the Home screen, click the Manage Connections icon.
2. Click Mobile Network Options.
3. Verify that the Data Services field is set to On.

The communication password of the BlackBerry Enterprise Server changed.

Contact an administrator of your organization's BlackBerry Enterprise Server to verify that the communication password of the BlackBerry Enterprise Server components did not change. If the communication password changed, you must use the changed password to create a connection from the BlackBerry MVS to the BlackBerry Enterprise Server.

1. In the MVS Console, in the left pane, expand MVS Topology.
2. Click Server View.
3. Click the BlackBerry MVS Server that you want to change the communication password for.
4. In the MVS BlackBerry Enterprise Server Connector section, select the check box in the Associated column.
5. Select the Change the communication password that the BlackBerry MVS uses check box beside the BlackBerry MVS Server that you want to change the communication password for.
6. Type and confirm a password.
7. Click Save.
8. When prompted to change the communication password, click OK.

The SRP ID changed.

Contact your organization's administrator of the BlackBerry Enterprise Server to verify that the administrator did not change the SRP ID. If the administrator changed the SRP ID, you must restart the BlackBerry MVS services.

The value of the InstanceName key in the registry (HKEY_LOCAL_MACHINE\Software\Research In Motion\BlackBerry Mobile Voice System) does not match the name of the BlackBerry MVS Server that is in the MVS Console.

In the MVS Console, change the name of the BlackBerry MVS Server to match the value of the InstanceName key in the registry.

You can also use the configuration tool of the BlackBerry MVS to change the Instance Name of the BlackBerry MVS Server.

1. On the computer that hosts the BlackBerry MVS Server, on the taskbar, click Start > Programs > BlackBerry MVS > BlackBerry MVS Configuration.
2. On the Connectivity tab, in the BlackBerry MVS Server Instance Name field, change the name of the BlackBerry MVS Server to match the name that you typed in the MVS Console.
3. Click OK.
4. In the Windows Services, restart the BlackBerry MVS services.