The following points apply to the Windows domain concept and the installation of your SAP system:
· Regardless of whether the SAP system is installed centrally or as a distributed system, we recommend to set up one domain that contains the SAP system application and database servers.
· We strongly recommend that you set up all your SAP system servers in one Windows domain. For short-term test installations or demonstration purposes only, you may install a central SAP system that is not located in a Windows domain. However, we recommend this setup for limited use only. It is difficult to introduce the domain concept to a system that is already in use.
· In a central installation on a server in a domain, all SAP system administrators are members of the local group SAP_<SAPSID>_LocalAdmin.
· In a distributed installation with several server machines in the domain, a global group is set up for the SAP system ( SAP_<SAPSID>_GlobalAdmin). This global group itself is a member of the server's local groups and contains the SAP system administrators. This also simplifies the administration in the client/server environment, since new users who need SAP system administration rights only need to become members of the global group.