At 11:16 PM 22/03/2010, you wrote:

>Thanks Martijn. I tried that unfortunately I am getting an error that BLOB_ID is invalid. Screen details of the error below followed by the command I had used:
>
>...
>gbak: writing data for table BCA3
>gbak:0 records written
>gbak: writing data for table BEA3
>gbak:0 records written
>gbak: writing data for table TEA3
>gbak: ERROR:invalid BLOB ID
>gbak: ERROR: gds_$receive failed
>gbak:Exiting before completion due to errors
>
>C:\>"c:\program files\firebird\firebird_2_1\bin\gbak.exe
>" -B -V -T -USER myuser -PASSWORD mypswd old.fdb old.fbk

You must make the backup under the v.1.5 server, using the v.1.5 gbak. Then RESTORE under the v.2.1 server.

./hb