Add MultiSubNetFailover flag for MS SQL Connections


When using DNS to connect to MS SQL this flag needs to be passed MultiSubNetFailover=True to enable failover from one host to another. Without it, we have to update the address of the server manually by switching IP addresses.



We would definitely accept a pull request for his feature. It’s just not something we have the infrastructure to test ourselves without a lot of undue hassle. Should be fairly easy to implement however.