![When trying to request a trial or activate a license an error occurred saying the software failed to contact the license server When trying to request a trial or activate a license an error occurred saying the software failed to contact the license server](https://www.iesve.com/support/images/slamerrors/failedtocontact.png)
When trying to request a trial or activate a license an error occurred saying the software failed to contact the license server
![Cannot connect to RDS because no RD Licensing servers are available - Windows Server | Microsoft Learn Cannot connect to RDS because no RD Licensing servers are available - Windows Server | Microsoft Learn](https://learn.microsoft.com/en-us/troubleshoot/windows-server/remote/media/cannot-connect-rds-no-license-server/local-gp-specify-license-server.png)
Cannot connect to RDS because no RD Licensing servers are available - Windows Server | Microsoft Learn
![Cannot connect to RDS because no RD Licensing servers are available - Windows Server | Microsoft Learn Cannot connect to RDS because no RD Licensing servers are available - Windows Server | Microsoft Learn](https://learn.microsoft.com/en-us/troubleshoot/windows-server/remote/media/cannot-connect-rds-no-license-server/rdlicensing-configure.png)
Cannot connect to RDS because no RD Licensing servers are available - Windows Server | Microsoft Learn
Error "Requested license is not available on the license Server" even though the license for the StruxureWare Building Operat... - Schneider Electric Community
![RDS Cal Per Device Fail to install [Your request cannot be processed. Make sure you have provided all the required information accurately, and then resubmit your request] - Microsoft Q&A RDS Cal Per Device Fail to install [Your request cannot be processed. Make sure you have provided all the required information accurately, and then resubmit your request] - Microsoft Q&A](https://learn-attachment.microsoft.com/api/attachments/131862-capture.png?platform=QnA)
RDS Cal Per Device Fail to install [Your request cannot be processed. Make sure you have provided all the required information accurately, and then resubmit your request] - Microsoft Q&A
License file does not support this version.' error in Mathcad Prime – Alfasoft Support & Knowledgebase
![Error message: 1403 The license server has returned an invalid license status – BarTender Support Portal Error message: 1403 The license server has returned an invalid license status – BarTender Support Portal](https://support.seagullscientific.com/hc/article_attachments/4407913531287/1403.png)