The much-troubled Service Pack 1 for SQL Server 2014 has its latest revision, and allegedly resolves significant problems that made SQL stop working for numerous customers.

The service pack originally was originally released last month, but Microsoft pulled it on that same month because of an installation problem. The updated SP1 (build 12.0.4100.1) is now available at this download page, dated 5/14/2015.

Microsoft had indicated last month that organizations that had installed the flawed SP1 (build 12.0.4050.0) for SQL Server 2014 should just replace it with the new one when it arrived. However, Microsoft's "Release Notes" for SP1 specifically indicate that the flawed service pack needs to be removed first:

Note If you have version 12.0.4050.0 of SQL Server 2014 Service SP1 (KB3018269) installed, you must uninstall that update from all installation instances before you install this update.

Microsoft's original caveat and advice was located at this SQL Server blog post, but it's been updated, with most of the background information deleted. It now states that the issue was "resolved."

The original 4/22 post had indicated that there were 270 downloads of the flawed service pack. The flaw had caused SQL Server 2014 to become unusable. Users got an error message reading "Error: 912, Severity: 21, State: 2."

Microsoft's updated blog post now states that SQL Server 2014 SP1 will be available at MSDN and TechNet download sites, as well as at Microsoft's Volume Licensing center, "starting May 21, 2015."

Alternatively, for the brave, it can be downloaded now.