Check_MK Werk 5068: Add error message to report in case some sites are not reachable

ID: 5068 Title: Add error message to report in case some sites are not reachable Component: Reporting & Availability Level: 1 Class: New feature Version: 1.5.0i1 When you create a report in a distributed environment with multiple sites and not all of the sites are reachable when the report is being created then there was simply missing data without any further notice. No at the end of the report there is added an error message if there was a problem with at least one site. That way the reader knows that the data might be incomplete.