Error: [DBNETLIB] SQL Server does not exist or access denied.

Source: Microsoft OLE DB Provider for SQL Server

Number: -2147467259

Error: [DBNETLIB] [ConnectionOpen (Connect().]SQL Server does not exist or access is denied 

If it is the first time running HRPro Desktop Client on that workstation.

Either

1. Make sure the SQL Server Name, System Database, SQL User ID and SQL User Password is correct.

2. Allow Remote Connection if the SQL Server installed is Express Edition and add firewall exception

4. Make sure the SQL Server Browser Service is running 

If this is not the first time running HRPro Desktop Client on a workstation. 

2018/05/29

P.S. If the HRPro desktop client is installed on a Windows 10 desktop, and the error occurred just after the Windows 10 is upgraded to Windows 10 build 1803  (run winver from the search box to determine the Windows build version) by Windows Update, then it is because the security control of Windows 10 build 1803 blocked the network connection of the HRPRO.EXE that started from an untrusted location (i.e. the network shared folder using SMB1.5 or below). Copy the HRPro shared folder to the local hard disk and start HRPro from the local hard disk is a workaround. 

Otherwise, consider the following,