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common criteria compliance enabled Option

New: 12 December 2006

The common criteria compliance enabled option enables the following elements that are required for the Common Criteria.

Criteria Description

Residual Information Protection (RIP)

RIP requires a memory allocation to be overwritten with a known pattern of bits before memory is reallocated to a new resource. Meeting the RIP standard can contribute to improved security; however, overwriting the memory allocation can slow performance. After the common criteria compliance enabled option is enabled, the overwriting occurs.

The ability to view login statistics

After the common criteria compliance enabled option is enabled, login auditing is enabled. Each time a user successfully logs in to SQL Server, information about the last successful login time, the last unsuccessful login time, and the number of attempts between the last successful and current login times is made available. These login statistics can be viewed by querying the sys.dm_exec_sessions dynamic management view.

That column GRANT should not override table DENY

After the common criteria compliance enabled option is enabled, a table-level DENY takes precedence over a column-level GRANT. When the option is not enabled, a column-level GRANT takes precedence over a table-level DENY.

The common criteria compliance enabled option is an advanced option and is new in the Enterprise, Evaluation, and Developer editions of SQL Server 2005 Service Pack 2.

Bb326650.note(en-US,SQL.90).gifImportant:
In addition to enabling the common criteria compliance enabled option, you also must download and run a script that completes configuring SQL Server 2005 SP2 to comply with Common Criteria evaluation assurance level 4 (EAL4+). You can download this script from the Microsoft SQL Server Common Criteria Web site.

If you are using the sp_configure system stored procedure to change the setting, you can change common criteria compliance enabled only when show advanced options is set to 1. The setting takes effect after the server is restarted. The possible values are 0 and 1:

  • 0 indicates that common criteria compliance is not enabled. This is the default.
  • 1 indicates that common criteria compliance is enabled.

The following example enables common criteria compliance.

sp_configure 'show advanced options', 1;
GO
RECONFIGURE;
GO
sp_configure 'common criteria compliance enabled', 1;
GO
RECONFIGURE
GO
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