Multiple Service Tiers in Dynamics NAV 2009

Freddy have posted an interesting blog about having multiple service tiers.

From the post “A very typical scenario with both partners and customers is to have more than one database. This can be because you have a development database and a production database – or it could be the partner having a copy of all customer databases locally for troubleshooting.
You could of course install the Service Tier locally on all computers – and then change the CustomSettings.config to point to a new database every time you need to logon, but that doesn’t really sound like something we want people to do.

The setup we would like to have is:
• One or more SQL Server boxes with a bunch of databases on
• One or more Service Tier boxes with at least one Service Tier pr. database
• The Client installed locally on all machines being able to connect to these Service Tiers.

This post will go into detail about how to accomplish this.”

Link to the complete post

Trace flag in SQL Server for Dynamics NAV 2009

When starting the RTC client or open the database in classic client you will get a warning if you have not set the trace flag correct. Because of changed security in SQL Server 2005 Dynamics NAV 2009 will only connect to the SQL Server if the trace flat ‘4616’ is set.

How to:
1. Open SQL Server Configuration Manager
2. Right click on MSSQLSERVER and select properties
3. In properties click advanced tab
4. Click to the right of Setup Parameters and go to the end of the line
5. Add this string “;-T4616”
6. Click ok and restart your SQL Server.

Failed to execute SQL string when Installing Dynamics NAV 2009 #2

When reinstalling Dynamics NAV 2009 or if you have attached a Demo Database manually you will probably run into this problem:

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Microsoft Dynamics NAV 2009 Build 27808
Error Report
SQL Server option
Cronus Sample Database for Microsoft Dynamics NAV 2009
Fatal error during installation.

Error -2147467259: failed to execute SQL string, error detail: A database with name Demo Database NAV (6-0) already exists., SQL key: StopIfDatabaseExist SQL string: IF EXISTS (SELECT * FROM [master].[sys].[databases] WHERE name = ‘Demo Database NAV (6-0)’) RAISERROR (N’A database with name %s already exists.’,20,1,’Demo Database NAV (6-0)’) WITH LOG
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Installing stored procedures for Dynamics NAV 2009 manually

It’s recommended that you use the installer on the product DVD to install the stored procedures. But if you are running more than one name instance of SQL server on the same machine that approach will not work. Then you need to-do it manually:
1. Copy the xp_ndo.dll file to the location you want store it. The file can be found under “D:SQLDatabasePFilesMicrosoft Dynamics NAV60Database” on the product DVD.
2. Run the following SQL command to add the stored procedures.

USE master
EXEC sp_addextendedproc xp_ndo_enumusersids, ‘C:[Location of file]xp_ndo.dll’
GO

GRANT EXECUTE
ON [xp_ndo_enumusersids]
TO PUBLIC
GO

USE master
EXEC sp_addextendedproc xp_ndo_enumusergroups, ‘C: [Location of file]xp_ndo.dll’
GO

GRANT EXECUTE
ON [xp_ndo_enumusergroups]
TO PUBLIC
GO