situation we lose all our work which previously did in local DB.
To overcome this kind of problem there is simple below tip to reset local DB user password.
1. Go to Siebel tool installdir like c:\siebel\8.1\tools_1\bin and open dbisqlc.exe as shown in below
2. Enter Userid as “DBA” and password “your enterprise name” like CRMDEV81
3. Go database tab and select your local dbf file like below..
4. Click OK
5. Interactive sql window open saying connected to database.
6. Execute following query to reset password of userid “TEST”.
grant connect to TEST identified by PASSWORD
NOTE-Here PASSWORD is your new password and userid and password is in caps only.