It has been a while since the release of SQL Server 2012, a major version after SQL Server 2008/R2. Recently, Microsoft announced the release of Service Pack 4 for SQL Server 2012. In this blog post, we will discuss the importance of upgrading to this latest service pack and highlight some of the key fixes and improvements it offers.

Why Upgrade to SQL Server 2012 Service Pack 4?

If you haven’t upgraded your SQL Server 2012 with the latest Service Pack, now is the right time to do so. Service Pack 4 brings several important fixes that address various issues and bugs. Let’s take a look at some of the notable fixes:

• Fix for “No Data Available” issue in the SQL Server Memory Usage page in the SQL Server MDM report
• Fix for “The custom resolver for this article requires OLEAUT32.DLL with a minimum version of 2.40.4276” error with merge publication in SQL Server
• Fix for Service Broker endpoint connections not being closed after an availability group failover in SQL Server
• Fix for bad query plan created on secondary replicas after statistics updated via FULLSCAN option on primary replica in SQL Server 2012 or 2014
• Fix for a REDO thread not being available in the secondary replica after an availability database is dropped in SQL Server 2012
• Fix for transaction log backup failure on the secondary replica in SQL Server 2012 Always-On Availability Groups
• Fix for access violation when creating or configuring an Always On availability group for an availability database in SQL Server 2012
• Fix for canceling a backup task crashing SQL Server
• Fix for UDT assembly loaded and unloaded when SQLCLR UDT is used as a stored procedure parameter for a SQL RPC call, causing waits for CLR_AUTO_EVENT and CMEMTHREAD
• Fix for data types of Query_hash and Query_hash_plan columns in xEvents not matching the data types in DMVs sys.dm_exec_requests and sys.dm_exec_query_stats

These fixes address various performance, stability, and functionality issues that many users have been waiting for. Upgrading to SQL Server 2012 Service Pack 4 will ensure a more reliable and efficient database environment.

Additional Improvements

In addition to the bug fixes, SQL Server 2012 Service Pack 4 also brings several improved features. To explore all the new features and enhancements, you can visit the official download page for SQL Server 2012 SP4.

Upgrading your SQL Server 2012 to the latest service pack is a crucial step in maintaining a secure and optimized database environment. It is recommended to thoroughly test the service pack in a non-production environment before applying it to your production servers.

Remember, staying up to date with the latest service packs and updates is essential for ensuring the smooth operation of your SQL Server and taking advantage of the latest features and improvements.