> I have backup of my database in Firebird 2.1 and I would like to restore it with Firebird 2.5B2 (upgrade database).
>
> gbak reports me error:
> gbak: ERROR:Malformed string
> gbak:restore failed for record in table ARTICLES
>
> I found that firebird 2.5B2 has two new restore parameters -FIX_FSS-M and -FIX_FSS-D that will be fix this error,
> so can someone write a short sample how to use this parameters to restore database with Firebird 2.5?

You should provide -FIX_FSS_DATA switch with real encoding in which you
stored data in your unicode columns. For example

gbak ... -FIX_FSS_DATA WIN1251 ...


Regards,
Vlad