I can't get into one of our enterprise apps and the app administrator told me I need to change the LAN Manager Authentication Level to "Send NTLM Responses Only". That normally happens via group policy, the problem is I'm running Windows 8 and my device is non-managed. I cannot find that particular setting in the Windows 8 policy manager. Any help?
Unfortunately not all versions of Windows appear to ship the policies editor. Windows 8 doesn't for example but Windows 8 Pro does, so depending on your version you would be able to use it or not.
To see if you can access it press Win+Q to search for it or Win+R to open the "Run" dialog. Either way type
Then navigate to Local Computer Policy -> Windows Settings -> Security Settings -> Local Policies -> Security Options. There locate
If you're not able to access the policies editor you can accomplish the same by editing the registry yourself. Concretely the key you have to edit for that policy is:
There, add (or edit) a DWORD value named
I hope that helps.