Error messages when opening a file

The following is an explanation of the various potential error messages you could receive when you open your eBook:

Error message: E_AUT_USER_ALREADY_ REGISTERED
You are trying to open an eBook on an unauthorized device that has already been opened on an authorized device. If you are trying to open the same book on two different devices, make sure that they were both authorized using the same Adobe ID.

Error message: E_ADEPT_IO
An error occurred while downloading the eBook. Try to open the URLLink.acsm file again.

Error message: E_ADEPT_DATABASE
This error message indicates a communication problem between your device and the warehouse where the books are stored. Check that you have an active Internet connection and that there are no programs, such as an anti-virus or firewall, blocking the connection of your reading application. If the error persists, it could be that the eBook warehouse is temporarily inactive. Wait a few minutes before trying to open the book again.

Error message: E_ADEPT_TIMEOUT
This error message indicates a communication problem between your device and the warehouse where the books are stored. Check that you have an active Internet connection and that there are no programs, such as an anti-virus or firewall, blocking the connection of your reading application. If the error persists, it could be that the eBook warehouse is temporarily inactive. Wait a few minutes before trying to open the book again.

Error message: E_ADEPT_REQUEST_EXPIRED
This error occurs when one or more settings on your computer, such as the clock time, date or time zone, are incorrect. Check these settings, then relaunch Adobe Digital Editions.

Error message: E_URLLINK_NO_DISTRIBUTION_RIGHTS
This error indicates that there is a problem with the eBook file. This is not an error on your part. Please notify us of the problem.

Error message: E_ADEPT_NO_TOKEN
This error indicates that there is a problem with the eBook file. This is not an error on your part. Please notify us of the problem.

Error message: E_LIC_ALREADY_FULFILLED_BY_ANOTHER_USER
You are trying to open an eBook that has already been opened on an authorized device using a different Adobe ID, or on an unauthorized device. If you are trying to open the same book on two different devices, make sure that they were both authorized using the same Adobe ID.

Error message: E_LIC_LICENCE_SIGN_ERROR
This error indicates that there is a problem with the eBook file. This is not an error on your part. Please notify us of the problem.

Error message: Error contacting authentication server.
This error message usually means that the Internet connection is not working. Check that you have an active Internet connection and that there are no programs, such as an anti-virus or firewall, blocking the connection to Adobe Digital Editions.

Error message: None of the requested vouchers could be obtained.
An error occurred while downloading the eBook. Try to open the URLLink.acsm file again.

Error message: E_AUTH_BAD_DEVICE_KEY_OR_PKCS12
This error means there is a problem with your reading application or device. Try to uninstall and then reinstall your application, then authorize your Adobe ID on the application again.

Error message: E_ACT_NOT_READY
This error indicates that there is a problem with your reading application. Try to remove the Adobe authorization from the application, relaunch the application and authorize your Adobe ID again.

Error message: Error! Check Activation
This error indicates that there is a problem with your reading application. Try to remove the Adobe authorization from the application, relaunch the application and authorize your Adobe ID again.