New tool: "Microsoft Kerberos Configuration Manager for SQL Server" is ready to resolve your Kerberos/Connectivity issues

  You can download “Microsoft Kerberos Configuration Manager for SQL Server” from here    Microsoft Kerberos Configuration Manager for SQL Server is a diagnostic tool that helps troubleshoot Kerberos related connectivity issues with SQL Server. Kerberos authentication provides a highly secure method to authenticate client and server entities (security principals) on a network.  To use…

9

Why my 32 bit applications cannot see the ODBC DSNs that I created on my 64 bit machine ?

As we all database developers know that a ODBC DSN is an entry that we created through “ODBC Data Source Administrator” that we reached from Start/Control Panel/AdministrativeTools  or typing “odbcad32” from Start/Run . On a 64bit machine when you run “ODBC Data Source Administrator” and created an ODBC DSN, actually you are creating an ODBC…

18

“Please take a shower before entering the connection pool” !

Sometimes pools that we should pay attention to their “hygiene” are not only swimming pools. We should also be careful about our database “connection pool”s. Here comes the story behind this “philosophical” entrance  … One of our customers was reporting an issue when they were about to put their web server farm on production.  Strangely…

1

How to set up a Kerberos Authentication Scenario with SQL Server Linked Servers

Let’s say you’ve got a SQL Server (KIRK) containing a linked server against another SQL Server (SCOTTY)  and you’re connecting the KIRK from remote client machine (SPOCK) using SQL Server Management Studio and receiving the error message below when you executed a query involving the linked server :  “Error 18456: Login failed for user ‘NT…

3

“UDL Test” on a 64 bit machine

“UDL Test” on a 64 bit machine Let’s say you’ve started playing with UDL files on your “32 bit” machine and this tiny little UDL files helped you to identify connectivity issues or you’ve easily obtained the OLE DB connection strings for your applications. So far so good. But one day, you followed the same procedure…

8

Basics first : "UDL Test"

When an application failed with a database/datasource connectivity problem, the first thing to check is if the box really cannot connect to the database/datasource using a “generic” way. The simplest technique is “UDL Test” using the OLE DB providers installed on the box . For example, if the application is failing to connect to a SQL…

6