In this post, we discuss about the context within which SQL Server accesses network resources via the Database Engine and SQL Agent.
How Does SQL Server Access Network Resources
When you run adhoc queries (i.e. execute stored procedures, use OPENROWSET, etc.) targeting resources outside the scope of the SQL Server instance (i.e. a file on a network location), SQL Server accesses these resources under the context of the Database Engine’s service account.
When you access resources outside the scope of the SQL Server instance using SQL Server Agent jobs, then, unless a proxy account is used, the job accesses these resources under the context of SQL Server Agent’s service account. If you use a proxy, the SQL Server Agent job accesses these resources within the context of the proxy’s credentials.
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Artemakis Artemiou, a distinguished Senior Database and Software Architect, brings over 20 years of expertise to the IT industry. A Certified Database, Cloud, and AI professional, he earned the Microsoft Data Platform MVP title for nine consecutive years (2009-2018). As the founder of SQLNetHub and GnoelixiAI Hub, Artemakis is dedicated to sharing his knowledge and democratizing education on various fields such as: Databases, Cloud, AI, and Software Development. His commitment to simplicity and knowledge sharing defines his impactful presence in the tech community.