Are all clients connecting using the same protocol? And the same
adress resolution?

Can, at the same time you are being denied the permissions, other
users (re-)connect and work without problems (== is this only a
problem when you are trying to access via SYSDBA or OWNER?

> I forgot to mention it is classic server 2.1.

>>
>> Your database is accessed through the Firebird server: does Firebird
>> server have access rights to the database file?
>>
> It seems that cannot be the problem because after the system is rebooted
> everything works fine. The isql program can access the database and
> remote programs can also access the database. The database is not
> frequently accesses, maybe once or twice a day at the most. Then a batch
> job runs gbak locally to backup the database. It will work for a week or
> two. Suddenly the backup fail with the Permission denied error. No
> permissions have change for the database file but suddenly the database
> cannot be accesses by the local user.


> ------------------------------------

> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

> Visit http://www.firebirdsql.org and click the Resources item
> on the main (top) menu. Try Knowledgebase and FAQ links !

> Also search the knowledgebases at http://www.ibphoenix.com

> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Yahoo! Groups Links

mit freundlichen Grüßen,

André Knappstein
EDV und Controlling
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