This might be because you're trying to backup from the physical file, rather
than it being managed by the firebird server.

Try this instead:
gbak -b -v -user sysdba -pass masterkey server:d:/dados/dados.fdb
d:/dados/dados.fbk

N.

> -----Original Message-----
> From: firebird-support@yahoogroups.com
> [mailto:firebird-support@yahoogroups.com]On Behalf Of andre_fogelman
> Sent: Thursday, 29 December 2005 11:56 AM
> To: firebird-support@yahoogroups.com
> Subject: [firebird-support] Backup
>
>
> I am trying to do a backup on a Firebird 1.5 file. win xp sp2
> I receive the following error message for the command.
>
> gbak -b d:\dados\dados.fdb d:\dados\dados.fbk
>
> gbak: ERROR: message length error (encountered 272, expected 264)
> gbak: ERROR: gds_$receive failed
> gbak: Exiting before completion due to errors
>
> I am lost. What should I do. How to proceed.
>
> Andre Fogelman
>
>
>
>
>
>
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