Use the Remove From Remote Data Access option to remove a company from RDA if:
If you only need to remove RDA from one computer, use the disconnect from RDA article instead.
Take a backup of your data before you begin.
Follow these steps at the main site.
here
To reinstate it:
The Company Selection window appears when you open Sage 50 Accounts again.
If you can't log in to the software, you can delete the SAGE.INI file.
To remove the company from Remote Data Access at other computers, follow the same steps in the Remove Remote Data Access section above.
To disconnect from this company from Remote Data Access at this site, follow the steps in Disconnect a remote site from Remote Data Access.
If required, at any time you can set up Remote Data Access and allow users remote access again from within the User Management option.