Symptoms
Consider the following scenario:
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You have a Microsoft SQL Server 2014 Integration Services (SSIS 2014) solution that contains some SSIS packages that are used in earlier versions of SSIS, and the name of some packages (exclude ".dtsx") contains dots (".").
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You upgrade these packages to use them in SSIS 2014.
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You open the solution file (.sln file) in Microsoft SQL Server Data Tools - Business Intelligence (SSDT-BI), and complete the steps in the upgrade wizard. The upgrade report shows a successful upgrade without any error.
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You try to open the solution file again in SSDT-BI.
In this scenario, the upgrade wizard pops up again, and asks for upgrade.
Cause
This issue occurs because there is a defect in the SSDT upgrade tool.
When the package name (exclude .dtsx) contains several dots, the upgrade tool saves the package file name to the string before the last dot, and then append ".dstx." For example, if the package file name is A.B.C.dtsx, the upgrade tool saves it as A.B.dtsx. Therefore, the upgrade does not occur on the original package file, and when you reopen the solution, the upgrade wizard also pops up again.
Resolution
This issue was first fixed in the following cumulative update of SQL Server.
Cumulative Update 5 for SQL Server 2014 /en-us/help/3011055
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
