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 Isdiskadmin property reports membership in the fixed server role diskadmin for the SQL Distributed Management Objects (SQL-DMO) connection.
If TRUE, the login authenticating client application connection is a member of the diskadmin role.
If FALSE, the login authenticating client application connection is not a member of diskadmin role.
For more information about adding members to a database role, see AddMember Method.