HowTo Verify your Domain isn’t using LM or NTLMv1
some explan goes here
open your fav MMC console OR start, run, mmc.exe (enter)
File, Add / Remove Snap In
In the left pane choose Computer Management
In the Select a Computer Dialog, select Another Computer and type the FQDN (Fully Qualified Domain Name) of your Domain Controller, Finish, OK
Open System tools, Event Viewer
Right click Event Viewer, Create Custom View
Click the XML tab, click the “Edit Query Manually” box
Click Yes to any warning you get
Paste the following into the box

Stooopid WordPress won’t let me paste the text in here so just get it from the source linked below
https://gist.github.com/jschlackman/90937d34850159269c46c7a799fb878b