17204

Product Name

Event ID

17204

Event Source

MSSQLSERVER

Component

SQLEngine

Symbolic Name

DBLKIO_DEVOPENFAILED

Message Text

%ls: Could not open file %ls for file number %d. OS error: %ls.

was unable to open the specified file because of the specified OS error.

You may see error 17204 in the Windows Application Event or the SQL Server Error log when

cannot open a database and/or transaction log files. Here is an example of what the

error may look like:

You may see these errors during the SQL Server instance startup process or any Database

operation that attempts to start the database (for example, ALTER DATABASE). In some

scenarios, you may see both 17204 and 17207 errors and in other occasions you might just see

one of them.

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Expand table

Error: 17204, Severity: 16, State: 1.
FCB::Open failed: Could not open file c:\Program Files\Microsoft SQL
Server\MSSQL10.SQL2008\MSSQL\data\MyDB_Prm.mdf for file number 1. OS error:
5(Access is denied.).