I'm running into an interesting little problem on a new cluster I've set up. I've done a number of these and not had this happen before. Hopefully someone (Perry, the HA guru) can offer a few trouble shooting steps I can follow.I have 3 node HA set up:-MS Server 2012 R2.-SQL 2014 EE.-All windows updates.-Clean install of both OS and SQL, all 3 nodes are identical.-SQL Server is running on an alternate port, which I've opened in the firewall. Connections from all network locations are working swimmingly; including connections between all 3 nodes.-I've got the groups up and running; Listener is set up correctly. Connections work great.-One node is synchronous, one is asynchronous. Both show synchronized, and synchronizing respectively.-Data added at the primary node is moved across to all 3 with lightning speed.When I attempt a manual failover it hangs..and hangs...then pops up an error 41131 and rolls back the failover. Leaving the cluster perfectly intact and working just as it did prior to the failover attempt.What I've checked so far:-There is absolutely NOTHING in the cluster events log.-Windows event log shows no errors, just the standard stuff of the primary nodes state changing from primary to resolving and then back again.-SQL Event log has a few things in there, but nothing that's leading me to a solution, I've attached the log from start to finish on an attempted manual failover:Names have been changed to protect the innocent.Thanks guys.
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