You have upgraded a detection server and are now running the DetectionServerMigrationUtility.exe to complete the process, but you encounter an error.
The program can't start because api-ms-win-crt-runtime-11-1-0.dll is missing from your computer. Try reinstalling the program to fix this problem.
Windows 2008 R2, 2012 R2
Upgrading DLP detection server to latest version
This is a Windows platform issue.
You need to repair the Visual C++ Redistributable for Visual Studio 2015, which is also present in KB2999226. Link goes to non-Symantec page.