This feature will be removed in a future version of Microsoft SQL Server. Avoid using this feature in new development work, and plan to modify applications that currently use this feature.
The Issysadmin property reports membership in the fixed server role sysadmin for the SQL Distributed Management Objects (SQL-DMO) connection.
Members of the Microsoft SQL Server fixed server role sysadmin have all permissions on the server and can perform any activity. For more information about adding members to a server role, see AddMember Method.
If TRUE, the login authenticating client application connection is a member of the sysadmin role.
If FALSE, the login authenticating client application connection is not a member of the role.