Applies ToSQL Server 2016 Developer - duplicate (do not use) SQL Server 2016 Enterprise - duplicate (do not use) SQL Server 2016 Enterprise Core - duplicate (do not use) SQL Server 2016 Standard - duplicate (do not use)

Symptoms

When you have a named instance of SQL Server 2016, and you try to install Cumulative Update 1 for SQL Server 2016, the installation fails.

Cause

This issue occurs when the named instance is named with a reserved name. For example, if the named instance is named by using any of the following reserved names, this issue occurs:

CON, PRN, AUX, NUL, COM1, COM2, COM3, COM4, COM5, COM6, COM7, COM8, COM9, LPT1, LPT2, LPT3, LPT4, LPT5, LPT6, LPT7, LPT8, or LPT9

Resolution

This update is included in Service Pack 1 for SQL Server 2016.

Each new build for SQL Server 2016 contains all the hotfixes and all the security fixes that were included with the previous build. We recommend that you install the latest build for SQL Server 2016.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

References

Naming Files, Paths, and Namespaces Learn about the terminology that Microsoft uses to describe software updates.

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