Fix Orphan Users for All databases

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Most comman scenario which we face on everyday basis is to fix the orphan database users at the database level. You need to go to each database and fix the orphan users at the each databases.

If you have hunderds of databases in the enterprise level environment , it is very hard to do that. I wrote the script

Thanks to the previous contributor SM who have wrote the orphan users script. I made modification to the scripts to go into each database and check the orphan users.

DECLARE @DatabaseName nvarchar(255)
DECLARE @UserName nvarchar(255) 
DECLARE @Command nvarchar(1000)
DECLARE @SqlStatement nvarchar(4000)

IF OBJECT_ID( 'tempdb..#temp') IS NOT NULL
DROP TABLE tempdb..#temp 
 
CREATE TABLE tempdb..#temp (name VARCHAR(100))

DECLARE database_cur CURSOR FOR 
SELECT sd.name FROM sys.databases sd
INNER JOIN (SELECT database_id,collation_name FROm sys.databases WHERE name='master') sd1
ON sd.collation_name=sd1.collation_name
AND sd.database_id >4
WHERE sd.user_access=0 AND sd.is_read_only=0 
AND sd.state_desc='ONLINE'  

OPEN database_cur
FETCH NEXT FROM database_cur INTO @DatabaseName

WHILE (@@FETCH_STATUS=0)
BEGIN
SELECT @Command='
INSERT INTO #temp 
SELECT UserName = su.name 
FROM '+quotename(@DatabaseName)+'..sysusers su
JOIN sys.server_principals sp ON sp.name = su.name
WHERE issqluser = 1 AND
(su.sid IS NOT NULL AND su.sid <> 0x0) AND
suser_sname(su.sid) is null 
ORDER BY su.name'

EXEC sp_executesql @command

DECLARE orphan_user_cur CURSOR FOR 
SELECT name FROM #temp WHERE name IS NOT NULL 

IF @@ROWCOUNT=0
BEGIN
PRINT 'No Orphan User to be fixed for '+@DatabaseName
END

OPEN orphan_user_cur 
FETCH NEXT FROM orphan_user_cur INTO @UserName 

WHILE (@@FETCH_STATUS = 0)
BEGIN 
PRINT @UserName + 'Orphan User Name Is Being Resynced' 
EXEC sp_change_users_login 'Update_one', @UserName, @UserName 
FETCH NEXT FROM orphan_user_cur INTO @UserName 
END 

CLOSE orphan_user_cur 
DEALLOCATE orphan_user_cur

TRUNCATE TABLE #temp 

FETCH NEXT FROM database_cur INTO @DatabaseName
END

CLOSE database_cur 
DEALLOCATE database_cur

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