Everyone connection to the same server will need to be on the same software version. If the server has been updated and a workstation version does not match the software will give the following error message:
Application Upgrade Required
This iCommand installation (21.02.00.067 needs to be upgraded for database (22.01.00.009) compatibility. Please contact your computer support department of the Alpine help desk.
To resolve you will want to verify the software version needed to match the server.
See article: Where can I locate the software version I am running?
After gathering what version is required, gather the software install files and update the software version so that it matches the server. If you need help with the install or need software download links please reach out to the helpdesk team.
Please reach out if any further assistance is required.
Email Support: firstname.lastname@example.org