SSIS ORPHANED CONNECTIONS--- "The connection "{19C7AA5C-79B9-4EC5-A604-E7CDDA790D43}" is not found. This error is thrown by Connections collection wh

There was this weird thing going on our system. When we execute a SSIS pacakge through Job agent it would run normally without any errors but when we Schedule it to run every night it would throw Error ---

OnError,,,,,,3/2/2009 4:00:15 AM,3/2/2009 4:00:15 AM,-1073548540,0x,An error occurred with the following error message: "The connection "{19C7AA5C-79B9-4EC5-A604-E7CDDA790D43}" is not found. This error is thrown by Connections collection when the specific connection element is not found.".

After a Lot of digging thorugh forums found out this link on SqlServercentral.com

http://www.sqlservercentral.com/Forums/Topic334815-148-1.aspx

Hope This might help many people like me to solve the Problems easily

Using SET NULL and SET DEFAULT with Foreign Key Constraints and Cascading updates and deletes

http://www.sqlteam.com/article/using-set-null-and-set-default-with-foreign-key-constraints

Find Table Reference Levels..and foreign key and primary key tables Referenced

http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=72957

How do I find all the foreign keys in a database

This is very long query. Optionally, we can limit the query to return results for one or more than one table.

SELECT        K_Table  = FK.TABLE_NAME,        FK_Column = CU.COLUMN_NAME,        PK_Table  = PK.TABLE_NAME,        PK_Column = PT.COLUMN_NAME,        Constraint_Name = C.CONSTRAINT_NAME FROM       INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS C INNER JOIN  INFORMATION_SCHEMA.TABLE_CONSTRAINTS FK ON C.CONSTRAINT_NAME = FK.CONSTRAINT_NAME INNER JOIN      INFORMATION_SCHEMA.TABLE_CONSTRAINTS PK ON C.UNIQUE_CONSTRAINT_NAME = PK.CONSTRAINT_NAME INNER JOIN      INFORMATION_SCHEMA.KEY_COLUMN_USAGE CU ON C.CONSTRAINT_NAME = CU.CONSTRAINT_NAME INNER JOIN  (        SELECT      i1.TABLE_NAME, i2.COLUMN_NAME        FROM        INFORMATION_SCHEMA.TABLE_CONSTRAINTS i1            INNER JOIN      INFORMATION_SCHEMA.KEY_COLUMN_USAGE i2 ON i1.CONSTRAINT_NAME = i2.CONSTRAINT_NAME                WHERE       i1.CONSTRAINT_TYPE = 'PRIMARY KEY'        ) PT ON PT.TABLE_NAME = PK.TABLE_NAME  ---- optional: ORDER BY        1,2,3,4 WHERE      PK.TABLE_NAME='something'WHERE      FK.TABLE_NAME='something'  WHERE      PK.TABLE_NAME IN ('one_thing', 'another')  WHERE      FK.TABLE_NAME IN ('one_thing', 'another') 

Query to display Foreign Key relationships and name of the constraint for each table in Database

http://blog.sqlauthority.com/2006/11/01/sql-server-query-to-display-foreign-key-relationships-and-name-of-the-constraint-for-each-table-in-database/

Viewing all the rows by selecting max of a column.

http://www.techonthenet.com/sql/max.php

Using Execute T-SQL Task and variables.

http://www.sqlis.com/58.aspx