--- In firebird-support@yahoogroups.com, "Adam" <s3057043@...> wrote:

> Perhaps you could write a SQL Script that looks like this (from the
> problem workstation):
>
> select 1 from RDB$DATABASE;
>
> Then you can make a batch file that looks something like:
>
> "C:\Program Files\Firebird\Firebird_1_5\bin\isql.exe"
> servername:alias -user sysdba -password masterke -i
> c:\path\to\script.sql
>
> Run the batch file to confirm it works.
>
> Now add it to the windows scheduled tasks to run every 20 minutes and
> see if you can duplicate your problem.
>
> Adam

And then if the problem doesn't show up, incrementally increase the
time between task runs until it fails?