How to allow file and printer sharing in Windows 2012 R2

When you access to your Windows Server 2012 R2 file server by typing \\servername\sharedfolder and does not success because the firewall is blocked. In order to succeed this, you can do as below.

1. Open Control Panel, click System and Security, and then click Windows Firewall.
2. In the left pane, click Advanced settings, and in the console tree, click Inbound Rules.
3. Under Inbound Rules, locate the rules File and Printer Sharing (NB-Session-In) and File and Printer Sharing (SMB-In).
4. For each rule, right-click the rule, and then click Enable Rule.

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