SSRS report definition is newer than Server

Question

I created some reports in Visual Studio 2015 with all the latest updates. However, when I try to deploy the reports I get this message:

The definition

Answer 1

I ran in to same problem and this is how I solved it,

1. Set the "TargetServerVersion" property on report project properties to be your old version of reporting server.
2. Build the project.
3. Get the report in the bin folder and deploy to the old reporting server.

Your source reports format and namespace will be updated to latest version. But bin folder reports will be build to be compatible with targeted reporting server version.