Delete BizTalk backup files

The SQL Server agent job "Backup BizTalk Server" will not delete the generated backup files automatically. The job does clear the backup history table in the database, but it will never delete the backup files from the disk. Which will of course result in the disk to fill up eventually and the backup job will fail from then on.

Here's a simple stored procedure to call from the "Backup BizTalk Server" job in the "Clear Backup History" step. Just follow these steps:

1. Open SQL Server management Studio
2. Open a new query window and connect to the BizTalkMgmtDb database
3. Execute this script to add a new stored procedure called sp_DeleteBackupHistoryAndFiles
   

   USE [BizTalkMgmtDb]
   GO
   SET ANSI_NULLS ON
   GO
   SET QUOTED_IDENTIFIER ON
   GO
   ALTER PROCEDURE [dbo].[sp_DeleteBackupHistoryAndFiles] @DaysToKeep smallint = null, @UseLocalTime bit = 0
   
   AS
    BEGIN
   
    set nocount on
   
     IF @DaysToKeep IS NULL OR @DaysToKeep <= 0
     RETURN
   
        /*
           Only delete full sets
           If a set spans a day such that some items fall into the deleted group and the other don't don't delete the set
   
           Delete history only if history of full Backup exists at a later point of time
           why: history of full backup is used in sp_BackupAllFull_Schedule to check if full backup of databases is required or not.
           If history of full backup is not present, job will take a full backup irrespective of other options (frequency, Backup hour)
       
       */
           
     declare @PurgeDateTime datetime
   
     if (@UseLocalTime = 0)
       set @PurgeDateTime = DATEADD(dd, -@DaysToKeep, GETUTCDATE())
     else
       set @PurgeDateTime = DATEADD(dd, -@DaysToKeep, GETDATE())
   
     DECLARE DeleteBackupFiles CURSOR
   
     FOR SELECT 'del "' + [BackupFileLocation] +  case right(BackupFileLocation,1) when '\' then '' else '\' end + [BackupFileName] + '"' FROM [adm_BackupHistory] [h1]
       WHERE     [BackupDateTime] < @PurgeDateTime
       AND    [BackupSetId] NOT IN ( SELECT [BackupSetId] FROM [dbo].[adm_BackupHistory] [h2] WHERE [h2].[BackupSetId] = [h1].[BackupSetId] AND [h2].[BackupDateTime] >= @PurgeDateTime)
       AND EXISTS( SELECT TOP 1 1 FROM [dbo].[adm_BackupHistory] [h2] WHERE [h2].[BackupSetId] > [h1].[BackupSetId] AND [h2].[BackupType] = 'db')
   
     DECLARE @cmd varchar(400)
   
     OPEN DeleteBackupFiles
   
      FETCH NEXT FROM DeleteBackupFiles INTO @cmd
   
     WHILE (@@fetch_status <> -1)
     BEGIN
               IF (@@fetch_status <> -2)
               BEGIN
   
                           EXEC master.dbo.xp_cmdshell @cmd, NO_OUTPUT
   
                           delete from [adm_BackupHistory] WHERE CURRENT OF DeleteBackupFiles
   
                           print @cmd
               END
   
               FETCH NEXT FROM DeleteBackupFiles INTO @cmd
     END
   
     CLOSE DeleteBackupFiles
   
     DEALLOCATE DeleteBackupFiles
   
     END
   

4. 5.Modify the "Clear Backup History" step of the Backup BizTalk Server job to call sp_DeleteBackupHistoryAndFiles, instead of calling the stored procedure sp_DeleteBackupHistory
5. Make sure xp_cmdshell for the SQL Server instance is enabled. this will be disabled by default. To enable this, execute following SQL script:
   

   EXEC master.dbo.sp_configure 'show advanced options', 1
   
   RECONFIGURE
   
   EXEC master.dbo.sp_configure 'xp_cmdshell', 1
   
   RECONFIGURE
   
   

This stored procedure is made for BizTalk Server 2010.
Because with the release of BizTalk 2010 there have been changes to the sp_DeleteBackupHistory stored procedures. They added a parameter to the stored procedure to use local time and changed the query to prevent the deletion of the history from the last full backup set forward.

For older versions of BizTalk you should use this script instead:

CREATE PROCEDURE [dbo].[sp_DeleteBackupHistoryAndFiles] @DaysToKeep smallint = null
AS
BEGIN
set nocount on
  IF @DaysToKeep IS NULL OR @DaysToKeep <= 0
  RETURN
/*
  Only delete full sets
  If a set spans a day such that some items fall into the deleted group and the other doesn't, do not delete the set
*/ 

DECLARE DeleteBackupFiles CURSOR
FOR SELECT 'del "' + [BackupFileLocation] + '\' + [BackupFileName] + '"' FROM [adm_BackupHistory]
WHERE  datediff( dd, [BackupDateTime], getdate() ) >= @DaysToKeep
AND [BackupSetId] NOT IN ( SELECT [BackupSetId] FROM [dbo].[adm_BackupHistory] [h2] WHERE [h2].[BackupSetId] = [BackupSetId] AND datediff( dd, [h2].[BackupDateTime], getdate() ) < @DaysToKeep )
DECLARE @cmd varchar(400)
OPEN DeleteBackupFiles
FETCH NEXT FROM DeleteBackupFiles INTO @cmd
WHILE (@@fetch_status <> -1)
BEGIN 

            IF (@@fetch_status <> -2)
            BEGIN
                        EXEC master.dbo.xp_cmdshell @cmd, NO_OUTPUT
                        delete from [adm_BackupHistory] WHERE CURRENT OF DeleteBackupFiles
                        print @cmd
            END 

            FETCH NEXT FROM DeleteBackupFiles INTO @cmd
END 

CLOSE DeleteBackupFiles
DEALLOCATE DeleteBackupFiles
  END
GO

Source: http://www.biztalkbill.com/Home/tabid/40/EntryId/81/Update-to-Stored-Procedure-to-delete-Backup-BizTalk-Server-SQL-Agent-backup-files.aspx