Forum Discussion
MashupException.Error: an error occurred during the pre-login handshake
Hi guys, I keep receiving an error while fetching data with a Dataflow Gen2. I am trying to get data through our Gateway (version 3000.178.9) but keep hitting the same error over and over. I tr...
SidJay
Microsoft Employee
Microsoft EmployeeCould you please confirm that the configuration that Miguel suggested earlier in the thread has been applied?
Configure proxy settings for the on-premises data gateway | Microsoft Learn
Additionally, Port 1433 needs to be opened. The documentation is being updated to include this.
Thanks
motorayAdvocate V
Am currently working with my IT folks to try and get that port opened. We'll see what they say.
I thought the whole point of the gateway is so you don't have to jump through these kinds of hoops--it's been pretty great up to now. And I still don't understand why the port needs to be opened if I'm getting data in the staging warehouse--at that point, isn't the next step just moving it from staging to the warehouse?