Symptom:
When opening Certify, this error message displays:

Cause:
This error indicates that Certify cannot get a license from the license
server.
Resolution:
There are a several reasons you might see this error. Here
are the 4 most common reasons and possible fixes/workarounds for them.
1. Network issue – your machine or the license server machine has
lost its network connection. Ping the license server machine to verify
this. You may need to reboot your machine or the license server to
correct this issue.
2. License Server has stopped issue – the license server service has
stopped running on the license server. Restart the Sentinel LM service
on the license server to fix.
3. Certify config file issue – the license server is not correctly
specified in the Worksoft.Certify.exe.config file.
Modify your
Worksoft.Certify.exe.config file to specify the correct license server.
4. LSERVRC environment variable issue –
Other software vendors also use Sentinel LM to manage their product
licenses. In some cases, they will set the LSERVRC environment variable
to specify the location of their license key file. If this
environment variable exists, Sentinel LM will use the LSERVRC environment
variable value instead of looking in the default locations expected by
Certify. If this is the case, the resolution for this issue depends on if
you are still actively using the other vendor’s software. If you are NOT
using their software, the resolution is to delete the LSERVRC environment
variable. If you are still using their software, please open a case with
Worksoft Customer Support and indicate in the subject of the case that you have
an “LSERVRC environment variable conflict with Certify and XXXX” where XXXX is
the name of the other vendor’s software. Example: “LSERVRC environment
variable conflict with Certify and HP QTP”. Worksoft Support can
then help you resolve the conflict in order to allow both Certify and the other
vendor’s software to run on your machine.
If one of these suggestions does not resolve this problem, please open a Support case. If you were sent to this Wiki by a Support engineer after opening a Support case, please report your results in the case.