OK I DID IT!!!!!
The problem is because the SQL Server in the virtual machine don't have the \SQLEXPREES like in my pc:
Is just the domain, without \SQLEXPRESS. I remove it in the datasource
I want to move my mobile reports from one pc to other.
I have create a .bak of the my DB to move the reports from one pc to another.
I have created the .bak of my DB and the SSRS server database (included de ServerTemp DB).
I have created the bakup of the stred key from report configuration report.
In the target pc (for testing I'm using virtual box). I restored the three databases. And in report configuration I have restored the key.
The web, datasets, datasource and reports are correctly uploades. But I cannot open the reports. This is the error:
I tested the connection of the datasource and I can't do the connection:
What am I doing wrong?