How to Mirgrate logins from one server to another.

USE master
GO
IF OBJECT_ID ('sp_hexadecimal') IS NOT NULL
  DROP PROCEDURE sp_hexadecimal
GO
CREATE PROCEDURE sp_hexadecimal
    @binvalue varbinary(256),
    @hexvalue varchar(256) OUTPUT
AS
DECLARE @charvalue varchar(256)
DECLARE @i int
DECLARE @length int
DECLARE @hexstring char(16)
SELECT @charvalue = '0x'
SELECT @i = 1
SELECT @length = DATALENGTH (@binvalue)
SELECT @hexstring = '0123456789ABCDEF' 
WHILE (@i <= @length) 
BEGIN
  DECLARE @tempint int
  DECLARE @firstint int
  DECLARE @secondint int
  SELECT @tempint = CONVERT(int, SUBSTRING(@binvalue,@i,1))
  SELECT @firstint = FLOOR(@tempint/16)
  SELECT @secondint = @tempint - (@firstint*16)
  SELECT @charvalue = @charvalue +
    SUBSTRING(@hexstring, @firstint+1, 1) +
    SUBSTRING(@hexstring, @secondint+1, 1)
  SELECT @i = @i + 1
END
SELECT @hexvalue = @charvalue
GO

USE master
GO
CREATE PROCEDURE sp_help_revlogin @login_name sysname = NULL AS
DECLARE @name    sysname
DECLARE @xstatus int
DECLARE @binpwd  varbinary (256)
DECLARE @txtpwd  sysname
DECLARE @tmpstr  varchar (256)
DECLARE @SID_varbinary varbinary(85)
DECLARE @SID_string varchar(256)

IF (@login_name IS NULL)
  DECLARE login_curs CURSOR FOR
    SELECT sid, name, xstatus, password FROM master..sysxlogins
    WHERE srvid IS NULL AND name <> 'sa'
ELSE
  DECLARE login_curs CURSOR FOR
    SELECT sid, name, xstatus, password FROM master..sysxlogins
    WHERE srvid IS NULL AND name = @login_name
OPEN login_curs
FETCH NEXT FROM login_curs INTO @SID_varbinary, @name, @xstatus, @binpwd
IF (@@fetch_status = -1)
BEGIN
  PRINT 'No login(s) found.'
  CLOSE login_curs
  DEALLOCATE login_curs
  RETURN -1
END
SET @tmpstr = '/* sp_help_revlogin script '
PRINT @tmpstr
SET @tmpstr = '** Generated '
  + CONVERT (varchar, GETDATE()) + ' on ' + @@SERVERNAME + ' */'
PRINT @tmpstr
PRINT ''
PRINT 'DECLARE @pwd sysname'
WHILE (@@fetch_status <> -1)
BEGIN
  IF (@@fetch_status <> -2)
  BEGIN
    PRINT ''
    SET @tmpstr = '-- Login: ' + @name
    PRINT @tmpstr
    IF (@xstatus & 4) = 4
    BEGIN -- NT authenticated account/group
      IF (@xstatus & 1) = 1
      BEGIN -- NT login is denied access
        SET @tmpstr = 'EXEC master..sp_denylogin ''' + @name + ''''
        PRINT @tmpstr
      END
      ELSE BEGIN -- NT login has access
        SET @tmpstr = 'EXEC master..sp_grantlogin ''' + @name + ''''
        PRINT @tmpstr
      END
    END
    ELSE BEGIN -- SQL Server authentication
      IF (@binpwd IS NOT NULL)
      BEGIN -- Non-null password
        EXEC sp_hexadecimal @binpwd, @txtpwd OUT
        IF (@xstatus & 2048) = 2048
          SET @tmpstr = 'SET @pwd = CONVERT (varchar(256), ' + @txtpwd + ')'
        ELSE
          SET @tmpstr = 'SET @pwd = CONVERT (varbinary(256), ' + @txtpwd + ')'
        PRINT @tmpstr
    EXEC sp_hexadecimal @SID_varbinary,@SID_string OUT
        SET @tmpstr = 'EXEC master..sp_addlogin ''' + @name
          + ''', @pwd, @sid = ' + @SID_string + ', @encryptopt = '
      END
      ELSE BEGIN
        -- Null password
    EXEC sp_hexadecimal @SID_varbinary,@SID_string OUT
        SET @tmpstr = 'EXEC master..sp_addlogin ''' + @name
          + ''', NULL, @sid = ' + @SID_string + ', @encryptopt = '
      END
      IF (@xstatus & 2048) = 2048
        -- login upgraded from 6.5
        SET @tmpstr = @tmpstr + '''skip_encryption_old'''
      ELSE
        SET @tmpstr = @tmpstr + '''skip_encryption'''
      PRINT @tmpstr
    END
  END
  FETCH NEXT FROM login_curs INTO @SID_varbinary, @name, @xstatus, @binpwd
  END
CLOSE login_curs
DEALLOCATE login_curs
RETURN 0

GO


 ----- End Script -----


exec sp_help_revlogin

USE master
GO
IF OBJECT_ID ('sp_hexadecimal') IS NOT NULL
  DROP PROCEDURE sp_hexadecimal
GO
CREATE PROCEDURE sp_hexadecimal
    @binvalue varbinary(256),
    @hexvalue varchar (514) OUTPUT
AS
DECLARE @charvalue varchar (514)
DECLARE @i int
DECLARE @length int
DECLARE @hexstring char(16)
SELECT @charvalue = '0x'
SELECT @i = 1
SELECT @length = DATALENGTH (@binvalue)
SELECT @hexstring = '0123456789ABCDEF'
WHILE (@i <= @length)
BEGIN
  DECLARE @tempint int
  DECLARE @firstint int
  DECLARE @secondint int
  SELECT @tempint = CONVERT(int, SUBSTRING(@binvalue,@i,1))
  SELECT @firstint = FLOOR(@tempint/16)
  SELECT @secondint = @tempint - (@firstint*16)
  SELECT @charvalue = @charvalue +
    SUBSTRING(@hexstring, @firstint+1, 1) +
    SUBSTRING(@hexstring, @secondint+1, 1)
  SELECT @i = @i + 1
END
SELECT @hexvalue = @charvalue
GO
 

IF OBJECT_ID ('sp_help_revlogin') IS NOT NULL
  DROP PROCEDURE sp_help_revlogin
GO
CREATE PROCEDURE sp_help_revlogin @login_name sysname = NULL AS
DECLARE @name sysname
DECLARE @type varchar (1)
DECLARE @hasaccess int
DECLARE @denylogin int
DECLARE @is_disabled int
DECLARE @PWD_varbinary  varbinary (256)
DECLARE @PWD_string  varchar (514)
DECLARE @SID_varbinary varbinary (85)
DECLARE @SID_string varchar (514)
DECLARE @tmpstr  varchar (1024)
DECLARE @is_policy_checked varchar (3)
DECLARE @is_expiration_checked varchar (3)
 
IF (@login_name IS NULL)
  DECLARE login_curs CURSOR FOR
      SELECT p.sid, p.name, p.type, p.is_disabled, l.hasaccess, l.denylogin
        FROM sys.server_principals p LEFT JOIN sys.syslogins l ON ( l.name = p.name )
        WHERE p.type IN ( 'S', 'G', 'U' ) AND p.name <> 'sa'
ELSE
  DECLARE login_curs CURSOR FOR
      SELECT p.sid, p.name, p.type, p.is_disabled, l.hasaccess, l.denylogin
        FROM sys.server_principals p LEFT JOIN sys.syslogins l ON ( l.name = p.name )
        WHERE p.type IN ( 'S', 'G', 'U' ) AND p.name = @login_name
OPEN login_curs
FETCH NEXT FROM login_curs INTO @SID_varbinary, @name, @type, @is_disabled, @hasaccess, @denylogin
IF (@@fetch_status = -1)
BEGIN
  PRINT 'No login(s) found.'
  CLOSE login_curs
  DEALLOCATE login_curs
  RETURN -1
END
SET @tmpstr = '/* sp_help_revlogin script '
PRINT @tmpstr
SET @tmpstr = '** Generated ' + CONVERT (varchar, GETDATE()) + ' on ' + @@SERVERNAME + ' */'
PRINT @tmpstr
PRINT ''
WHILE (@@fetch_status <> -1)
BEGIN
  IF (@@fetch_status <> -2)
  BEGIN
    PRINT ''
    SET @tmpstr = '-- Login: ' + @name
    PRINT @tmpstr
 
    IF (@type IN ( 'G', 'U'))
    BEGIN -- NT authenticated account/group
      SET @tmpstr = 'CREATE LOGIN ' + QUOTENAME( @name ) + ' FROM WINDOWS'
    END
    ELSE BEGIN -- SQL Server authentication
        -- obtain password and sid
        SET @PWD_varbinary = CAST( LOGINPROPERTY( @name, 'PasswordHash' ) AS varbinary (256) )
        EXEC sp_hexadecimal @PWD_varbinary, @PWD_string OUT
        EXEC sp_hexadecimal @SID_varbinary, @SID_string OUT
 
        -- obtain password policy state
        SELECT @is_policy_checked =
            CASE is_policy_checked WHEN 1 THEN 'ON' WHEN 0 THEN 'OFF' ELSE NULL END
            FROM sys.sql_logins WHERE name = @name
        SELECT @is_expiration_checked =
            CASE is_expiration_checked WHEN 1 THEN 'ON' WHEN 0 THEN 'OFF' ELSE NULL END
            FROM sys.sql_logins WHERE name = @name
 
        SET @tmpstr = 'CREATE LOGIN ' + QUOTENAME( @name )
            + ' WITH PASSWORD = ' + @PWD_string
            + ' HASHED, SID = ' + @SID_string
 
        IF ( @is_policy_checked IS NOT NULL )
        BEGIN
          SET @tmpstr = @tmpstr + ', CHECK_POLICY = ' + @is_policy_checked
        END
        IF ( @is_expiration_checked IS NOT NULL )
        BEGIN
          SET @tmpstr = @tmpstr + ', CHECK_EXPIRATION = ' + @is_expiration_checked
        END
    END
 
    IF (@denylogin = 1)
    BEGIN -- login is denied access
      SET @tmpstr = @tmpstr + '; DENY CONNECT SQL TO ' + QUOTENAME( @name )
    END
    ELSE IF (@hasaccess = 0)
    BEGIN -- login has exists but does not have access
      SET @tmpstr = @tmpstr + '; REVOKE CONNECT SQL TO ' + QUOTENAME( @name )
    END
 
    IF (@is_disabled = 1)
    BEGIN -- login is disabled
      SET @tmpstr = @tmpstr + '; ALTER LOGIN ' + QUOTENAME( @name ) + ' DISABLE'
    END
 
    PRINT @tmpstr
  END
  FETCH NEXT FROM login_curs INTO @SID_varbinary, @name, @type, @is_disabled, @hasaccess, @denylogin
  END
CLOSE login_curs
DEALLOCATE login_curs
 
RETURN 0
GO