To change the settings on Windows Server 2003, 2008 R2, and 2012 R2

1. Go to Control Panel > Windows Firewall > Advanced Settings > Inbound Rules.

2. Enable File and Printer Sharing (SMB-In).

3. To allow NTLMv2 security, run gpedit.msc.

4. Go to Local Security > Computer Configuration > Windows Settings > Security Settings > Local Policies > Security Options and change these settings.

   1. Network Security: Minimum session security for NTLMSPP based (including secure RPC) clients,select

      • Require NTLMv2 session security

      • Require 128-bit encryption

   2. Network Security: Minimum session security for NTLMSPP based (including secure RPC) servers, select

      • Require NTLMv2 session security

      • Require 128-bit encryption

   3. Network Security: LAN Manager Authentication level, select

      • Send NTLMv2 response only\refuse LM & NTLM<