I currently have FF for Exhange 2010 version 11.0.727.0, but I have event ID errors 5314, 7009 and 7011. the question is, the version of files content in zip file  of hotfix have the same versions of files on my productive environment on my exchange servers,  Do I must install this hotfix in same versions of files to try to solve the

Hi,

The article KB2919357 indicated that this fix is ONLY viable on the latest FPE build which is 11.0.0727.0.

If you want to fix the issue and have the exactly same errors in the article, you need to install this hotfix.

Best Regards,

Joyce