Firewall: Microsoft SQL Server 2008

When attempting to connect to SQL server database using Dynamics NAV SQL client, you may recieve the following message:

The Server cannot be found. Try again later or contact your system administrator.

System Environment:

Server: Windows Server 2008 (any edition)

SQL Server: Microsoft SQL Server 2008 (any edition)

Dynamics NAV: 2009 SP1

A solution on how to open the firwall port can be obtained fromthe following  Microsoft Knowledge base article:

Hope you find this helpful

Error: Installing Database Component

When installing NAV 2009 database component on window server 2008 that has SQL server 2008 installed, the following error may occur:

Failed to connect to SQL database (-2147467259 master)

This error is typically triggered because when the local database was installed and then subsequently uninstalled, the SQL Server not available during the uninstallation. It is possible that SQL server was either uninstalled or was not running during the uninstallation.

This issue can be resolved by performing one of the following tasks:

1. Run the following command:

msiexec /x {B4222DEE-71BD-11DC-8BA7-C1C855D89593} SKIPUNINSTALLSQLDATA=1

2.  Install/start SQL Server and manually drop MantisSQLDB or MantisSQLDBEval database after

the uninstallation.