# Cannot connect to database master at SQL Server at server_name. The database might not exist, or the current user does not have permission to connect to it Error SharePoint 2016

- Link: https://sharepointtechnicalsupport.com/2016/11/13/cannot-connect-to-database-master-at-sql-server-at-server_name-the-database-might-not-exist-or-the-current-user-does-not-have-permission-to-connect-to-it-error-sharepoint-2016/
- Published: 2016-11-13T09:26:45+05:30
- Author: Deviprasad Panda

**Cannot connect to database master at SQL Server at server_name. The database
might not exist, or the current user does not have permission to connect to**

### **Error:**

“Cannot connect to database master at SQL Server at server_name. The database might
not exist, or the current user does not have permission to connect to it” 

![cannot-connect-to-database-master-at-server_sharepoint2016](https://i0.wp.com/
sharepointtechnicalsupport.com/wp-content/uploads/2016/11/cannot-connect-to-database-
master-at-server_sharepoint2016.png?resize=584%2C506&ssl=1)

### **Solution:**

Open the Windows Firewall with Advanced Services and [add an inbound rule](https://youtu.be/GIwcnNZWui4)
to allow traffic over port 1433.

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