Maintenance mode in Dynamics 365 for Finance and Operations is required to be switched on for system administrators to make system changes that might affect system functionality. It is available for the safe use of the application.
Only those users with Maintenance mode user role and system administrators roles can sign into the application till the time the mode is turned off.
When the maintenance mode is switched off, there can’t be changes made in certain areas of the system.
Maintenance mode is required for activities such as activating financial dimensions, creating departments/cost centres, account structure activation and other system related functions.
Enable and Disable Maintenance Mode
Run the following statement on AXDB database
If you aren’t aware what server is used for D365 for hosting SQL database, Go to Inquiry ==> Database for information on the server