SQL Server 2012 articles, fixes and updates - September 2012

This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft SQL Server 2012 that have been released in September 2012. The list is daily updated.

• 2755960 SQL query performance might decrease when the SQL Server Database instance has high index fragmentation Q2755960 KB2755960 September 27, 2012
• 2618570 "0x80770006" and "3201" errors after you install an instance of SQL Server 2008 R2 Q2618570 KB2618570 September 26, 2012
• 2753868 Enabling pre_creation_command option requires re-initialization Q2753868 KB2753868 September 25, 2012
• 2750044 "The selected data extension <Custom Extension Name> is not installed or cannot be loaded" error when you load custom extensions in SQL Server 2012 Data Tools Q2750044 KB2750044 September 24, 2012