If you try to upgrade from an old BioStar 1 version to the recent BioStar, a database incompatibility issue will arise with an error message as below. You will have to update the BioStar DB in sequence to resolve this issue.

If you are upgrading to BioStar 1.93, you do not have to go through this process. You can simply upgrade as instructed in the Link


1. First restore your BioStar V1.36 Database.

  • If you fail to restore the database, try using the same version of SQL Management program to restore the Database.

2. Download the file from the following link.
resolve_database_compatibility_db_mssql.zip

3. Unzip the file.

4. Copy the BioStarEn.dat and BioStarPatchEn.dat in the V1.5 folder.

5. Move the files to C:\Program Files(x86)\BioStar\server.


6. Run DB setup.exe as administrator. You can find DB setup.exe in C:\Program Files\BioStar\server (64bit) or C:\Program Files (x86)\BioStar\server (32bit).


7. When the execution finishes, copy the BioStarEn.dat and BioStarPatchEn.dat in the V1.6 folder.

8. Move the files to C:\Program Files(x86)\BioStar\server.

9. Right click and run DB setup.exe as administrator.

10. When the execution finishes, copy the BioStarEn.dat and BioStarPatchEn.dat in the V1.7 folder.

11. Move the files to C:\Program Files(x86)\BioStar\server.

12. Run DB setup.exe as administrator.

13. When the execution finishes, copy the BioStarEn.dat and BioStarPatchEn.dat in the V1.8 folder.

14. Move the files to C:\Program Files(x86)\BioStar\server.

15. Run DB setup.exe as administrator.

16. When the execution finishes, copy the BioStarEn.dat and BioStarPatchEn.dat in the V1.9 folder.

17. Move the files to C:\Program Files(x86)\BioStar\server.

18. Run DB setup.exe as administrator.

19. Launch BioStar Server Config.

20. Start the BioStar Server and click OK.

21. Launch BioStar.


If you still have issues after following these steps, run the following query in SQL Management Studio for your BioStar Database:

alter table TB_EVENT_LOG
add nType smallint Default 0 Not NULL;