License Fails to Be Activated

If an error message is displayed when you run the license active file-name command to activate a license file, rectify the fault based on Table 1.

If the license file still cannot be activated, collect error information and contact technical support personnel.

**Table 1** Possible causes and solutions for rectifying license file activation failures
Error Message	Possible Cause	Solution
Error: The filename is invalid, and the postfix of the file name must be 'dat'.	The extension of the license file name is invalid. The extension of a license file name must be .dat.	Apply for or purchase a new license file.
Error: The file filename does not exist.	The license file does not exist.	Upload the license file to be activated.
Error: File has been actived before!	The license file has been activated.	You need not activate the license file again.
Error: Verify license failed.	The license file fails to be verified.	Apply for or purchase a new license file.
Error: License with ESN or Version mismatch activated repetitively.	The ESN or version number in the license file does not match that of the device.	Apply for a correct license file that matches the ESN and software version of the device.
Error: License is expired.	The license file has expired.	Apply for a new valid license file.
Error: License file format invalid.	The license file format is incorrect.	Download the license file again. If the license file still cannot be activated after being downloaded again, contact technical support personnel.