вариант 1

Browse to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlLsa

Create a new 32 Bit DWORD value with the following properties: NAME: LmCompatibilityLevel VALUE: 1 Value is hexadecimal value

вариант 2

we have to start cmd.exe as administrator

REG ADD HKLMSYSTEMCurrentControlSetControlLsa /v LmCompatibilityLevel /t REG_DWORD /d 1