Error: No card is detected, and the login screen shows Connect a smart card.

Troubleshooting

1. Make sure that the card reader is connected to the computer.

2. Make sure that the card is inserted in the card reader. Often there is an indicator light on the card reader to show if the card is inserted or if the card is loading.

3. Make sure that the drivers for the card reader are installed correctly.

4. Make sure that the Cryptographic Service Provider (CSP) software, for example Nexus Personal Desktop Client, is installed correctly.

Error message: No Valid Certificates were found on this smart card.

Either the driver for the card has not been installed or the card is empty or missing certificates.

Troubleshooting

1. Make sure that the card contains certificates.

2. Make sure that the CSP software (for example Nexus Personal Desktop Client) is installed correctly.

3. Make sure that the drivers for the card reader are installed correctly.

Error message: The requested key container does not exist on the smart card.

Troubleshooting

1. Make sure that the CSP software (for example Nexus Personal Desktop Client) is installed correctly.

2. Make sure that the drivers for the card reader are installed correctly.

Error message: The system could not log you on. A communication error with the smart card has been detected.

Troubleshooting

1. Was the card removed during the login procedure? Then try again.

2. Make sure that the card reader is functioning.

3. Switch USB port for the card reader and try again.

Error message: The system could not log you on. An error occurred trying to use this smart card. You can find further details in the event log. Please report this error to the system administrator.

Troubleshooting

Check the log events/event viewer for errors. Troubleshoot depending on logged errors, and try to login again.