Hi We are using default out of the box sharepoint 2010 search. the search seems to be working fine in the dev setup. while moving to our QA environmnet, the search doesnt seems to work and I narrowed down the issue to the Query String Parameter 'U' refering Contextual Scope URL.
https://QA.mysite.com/sites/library/_layouts/searchpage.aspx?k=employee&cs=This%20Site&u=https%3A%2F%2FQA.mysite.com%2Fsites%2Flibrary
Now when i remove &u=https%3A%2F%2FQA.mysite.com%2Fsites%2Flibrary from the URL the search seems to displaying the results.
Can anyone please advise me on what is causing this error.