Resolving error "(4088) The license server manager (lmgrd) failed to open the TCP/IP port number" in Mapinfo Service
![Warning on the "Database Servers" page in Plesk: Unable to determine the TCP port number used by Microsoft SQL server – Plesk Help Center Warning on the "Database Servers" page in Plesk: Unable to determine the TCP port number used by Microsoft SQL server – Plesk Help Center](https://support.plesk.com/hc/article_attachments/4404012755474/3.png)
Warning on the "Database Servers" page in Plesk: Unable to determine the TCP port number used by Microsoft SQL server – Plesk Help Center
![FIX: The licensing agreement data provided to Microsoft is not valid on RDS Server 2016 or 2019 (Solved) - wintips.org - Windows Tips & How-tos FIX: The licensing agreement data provided to Microsoft is not valid on RDS Server 2016 or 2019 (Solved) - wintips.org - Windows Tips & How-tos](https://www.wintips.org/wp-content/uploads/2020/02/image_thumb21.png)
FIX: The licensing agreement data provided to Microsoft is not valid on RDS Server 2016 or 2019 (Solved) - wintips.org - Windows Tips & How-tos
Unable to launch the license server. Server log shows "(lmgrd) Failed to open the TCP port number in the license."
Warning on the "Database Servers" page in Plesk: Unable to determine the TCP port number used by Microsoft SQL server – Plesk Help Center
![How to determine if the TCP port used by the BarTender Licensing Service is open – BarTender Support Portal How to determine if the TCP port used by the BarTender Licensing Service is open – BarTender Support Portal](https://support.seagullscientific.com/hc/article_attachments/360042788454/mceclip0.png)