it's the sql tools diagnostics dll file.. if it's missing then check the following link (https://social.msdn.microsoft.com/Forums/vstudio/en-US/136fea47-778b-4287-9e15-4e3c69fd925f/microsoftsqlserversqltdiagm-file-missing)
Highfive is so simple that setting up every meeting room takes just minutes and every employee will be able to start or join a call from any room with ease. Never be called into a meeting just to get it started again. This is how video conferencing should work!
This video shows, step by step, how to configure Oracle Heterogeneous Services via the Generic Gateway Agent in order to make a connection from an Oracle session and access a remote SQL Server database table.