# MiCollab Client Server Connection Messages

When you enable User Messaging, and test the connection to the MiCollab Client Server, you may see one of the following messages.

Message | Description
Server connection successful | The MiVoice Business Console is able to connect to the MiCollab Client Server.
Failed to launch instant messaging client | 1) The MiCollab Client information has not been configured in the MiVoice Business Console. 2) The MiCollab Client contact presence status is offline or unknown.
Invalid User Name or Password | The password or User Name entered does not match the actual password or User Name.
Server is not reachable | 1) The MiCollab Client information has not been configured in the MiVoice Business Console. 2) There is a problem with the network connection between the MiVoice Business Console and the MiCollab Client Server. 3) The MiCollab Client Server is not running.
Server version is not supported | The MiVoice Business Console is configured with a pre-5.0 MiCollab Client server version.
Certificate Validation Failed | The console failed to verify the received certificate.
Registration with Server Failed | Server is reachable but unable to connect to HTTP port (80/443). Port 80/443 may be blocked or closed on the server. If you are connecting to the MBG, ensure “MiVoice Border Gateway Secure Connection” is enabled.

Parent topic: User Messaging/MiCollab Client Integration
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