We are currently working on removing a large collection of legacy SQL / Windows login accounts. Although the users have left the company there accounts can still own objects on an instance which means removing them can be an issue and break things, ive linked to a few blog posts of possible issues below to watch out for.

Who Owns your Jobs – Tibor Karaszi

Steps to Drop an Orphan SQL Server User when it owns a Schema or Role – Jugal Shah

I’ve put together a script to try and find anything on an instance that could be owned by a user and list them out in a single table to make it easy to read / work from. Hopefully this will help others as much as its helping me.

EDIT – I’ve edited this script several times since the orginal posting, making improvements and corrections

 

/*

Query to Audit User Owned Objects

-- List all Databases owned by a user
-- List all Agent Jobs owned by a user
-- List all Packages owned by a user
-- List all Scheams owned by a user
-- List all Objects owned by a user

-- Edit
		Added logic to test for if SQL version is lower than 2008 for SSIS packages
		Fixed variable issue
		Changed If logic from IF 2008 > stop to only check at SSIS package
		Use sys.databases to clean up working iwth 2005. 2008 2012 instances

*/
IF OBJECT_ID('tempdb..#ownerTable') IS NOT NULL
    DROP TABLE #ownerTable
CREATE TABLE #ownerTable
    (
      [Issue] VARCHAR(100) ,
      [Database] VARCHAR(200) ,
      [Object] VARCHAR(200) ,
      [ObjectType] VARCHAR(200) ,
      [Owner] VARCHAR(200)
    )

/*
-- List all Non SA Database Owners
---------------------------------------------------------------------------------------------------------------------- */
INSERT  INTO #ownerTable
        ( [Issue] ,
          [Database] ,
          [Owner]
        )
        SELECT  'Database Owned by a User' ,
                name AS 'Name' ,
                SUSER_SNAME(owner_sid) AS 'Owner'
        FROM    sys.databases
        WHERE   SUSER_SNAME(owner_sid) <> 'sa';

/*
-- List all Non SA Job Owners
---------------------------------------------------------------------------------------------------------------------- */
INSERT  INTO #ownerTable
        ( [Issue] ,
          [Database] ,
          [Object] ,
          [Owner]
        )
        SELECT  'Agent Job Owned by a User' ,
                'msdb' ,
                s.name AS 'Job Name' ,
                l.name AS ' Owner'
        FROM    msdb..sysjobs s
                LEFT JOIN master.sys.syslogins l ON s.owner_sid = l.sid
        WHERE   l.name <> 'sa';

/*
-- List all Non SA Package Owners
---------------------------------------------------------------------------------------------------------------------- */

DECLARE @v INT
SET @v = CONVERT(INT, LEFT(CONVERT(VARCHAR(MAX), SERVERPROPERTY('ProductVersion')),
                           CONVERT(INT, CHARINDEX('.',
                                                  CONVERT(VARCHAR(MAX), SERVERPROPERTY('ProductVersion'))))
                           - 1))

IF ( @v >= 10 )
    BEGIN
        INSERT  INTO #ownerTable
                ( [Issue] ,
                  [Database] ,
                  [Object] ,
                  [ObjectType] ,
                  [Owner]
                )
                SELECT  'SSIS Packages Owned by a User' ,
                        'msdb' ,
                        s.name AS 'object' ,
                        'Maintenance Plan' ,
                        l.name AS 'Owner'
                FROM    msdb..sysssispackages s
                        LEFT JOIN master.sys.syslogins l ON s.ownersid = l.sid
                WHERE   l.name <> 'sa'
                        OR l.name IS NULL;
    END
ELSE
    BEGIN
        INSERT  INTO #ownerTable
                ( [Issue] ,
                  [Database] ,
                  [Object] ,
                  [ObjectType] ,
                  [Owner]
                )
                SELECT  'SSIS Packages Owned by a User' ,
                        'msdb' ,
                        s.name ,
                        'Maintenance Plan' ,
                        l.name
                FROM    [msdb].[dbo].[sysdtspackages90] AS s
                        LEFT JOIN sysusers l ON s.ownersid = l.sid
                WHERE   l.name <> 'sa'
                        OR l.name IS NULL

    END

/*
-- List all Schemas owned by Users
---------------------------------------------------------------------------------------------------------------------- */
DECLARE @DB_NameSch VARCHAR(100)
DECLARE @CommandSch NVARCHAR(MAX)
DECLARE database_cursor CURSOR
FOR
    SELECT  name
    FROM    sys.databases
	WHERE state_desc = 'ONLINE' AND user_access_desc = 'MULTI_USER'

OPEN database_cursor

FETCH NEXT FROM database_cursor INTO @DB_NameSch

WHILE @@FETCH_STATUS = 0
    BEGIN
        SELECT  @CommandSch = 'USE [' + @DB_NameSch + '] SELECT ' + ''''
                + 'Schema Owned by a User' + '''' + ', ' + '''' + @DB_NameSch
                + ''''
                + ' as [DatabaseName], name as ''Schema'' , USER_NAME(principal_id) AS ''Owner'' FROM sys.schemas
				WHERE name NOT IN (''TargetServersRole'', ''SQLAgentUserRole'', ''SQLAgentReaderRole'', ''SQLAgentOperatorRole'', ''DatabaseMailUserRole''
, ''db_ssisadmin'', ''db_ssisltduser'', ''db_ssisoperator'', ''RSExecRole'')
AND schema_id > 4
AND schema_id < 16384 AND principal_id <> 1
'
       -- PRINT @CommandSch
		-- List all Non SA Package Owners
        INSERT  INTO #ownerTable
                ( [Issue] ,
                  [Database] ,
                  [Object] ,
                  [Owner]
                )
                EXEC sp_executesql @CommandSch

        FETCH NEXT FROM database_cursor INTO @DB_NameSch
    END

CLOSE database_cursor
DEALLOCATE database_cursor

/*
-- Objects Owned by User
---------------------------------------------------------------------------------------------------------------------- */

DECLARE @DB_NameObj VARCHAR(100)
DECLARE @CommandObj NVARCHAR(MAX)
DECLARE database_cursor CURSOR
FOR
    SELECT  name
    FROM    sys.databases
	WHERE state_desc = 'ONLINE' AND user_access_desc = 'MULTI_USER'

OPEN database_cursor

FETCH NEXT FROM database_cursor INTO @DB_NameObj

WHILE @@FETCH_STATUS = 0
    BEGIN
        SELECT  @CommandObj = 'USE [' + @DB_NameObj
                + '] ;
WITH    objects_cte
          AS ( SELECT   o.name ,
                        o.type_desc ,
                        CASE WHEN o.principal_id IS NULL THEN s.principal_id
                             ELSE o.principal_id
                        END AS principal_id
               FROM     sys.objects o
                        INNER JOIN sys.schemas s ON o.schema_id = s.schema_id
               WHERE    o.is_ms_shipped = 0
                        AND o.type IN ( ''U'', ''FN'', ''FS'', ''FT'', ''IF'', ''P'', ''PC'',
                                        ''TA'', ''TF'', ''TR'', ''V'' )
             )
    SELECT 	''Object Owned by User'',
    DB_NAME() AS ''Database'',
	cte.name AS ''Object'',
    cte.type_desc AS ''ObjectType'',
    dp.name AS ''Owner''
    FROM    objects_cte cte
            INNER JOIN sys.database_principals dp ON cte.principal_id = dp.principal_id
    WHERE   dp.name NOT IN ( ''dbo'', ''cdc'');'
        -- PRINT @CommandObj
		-- List all Non SA Package Owners
        INSERT  INTO #ownerTable
                ( [Issue] ,
                  [Database] ,
                  [Object] ,
                  [ObjectType] ,
                  [Owner]
                )
                EXEC sp_executesql @CommandObj

        FETCH NEXT FROM database_cursor INTO @DB_NameObj
    END

CLOSE database_cursor
DEALLOCATE database_cursor

/*
-- Show results
---------------------------------------------------------------------------------------------------------------------- */
SELECT  *
FROM    #ownerTable;

-- drop table
DROP TABLE #ownerTable;