ERROR: Subscription

After setting up and running the report subscription, the following Job error
message is returned?
'EXECUTE AS LOGIN' failed for the requested login 'NT AUTHORITY\NETWORK
SERVER'. The step failedI am sending the logfile for review. Thank you.
ReportingServicesService!dbpolling!9!11/28/2005-01:34:45:: EventPolling
polling service stopped
ReportingServicesService!dbpolling!c!11/28/2005-01:34:45:: EventPolling
heartbeat thread exiting for stop.
ReportingServicesService!dbpolling!9!11/28/2005-01:34:45::
NotificationPolling polling service stopped
ReportingServicesService!dbpolling!b!11/28/2005-01:34:45::
NotificationPolling heartbeat thread exiting for stop.
ReportingServicesService!dbpolling!9!11/28/2005-01:34:45:: SchedulePolling
polling service stopped
ReportingServicesService!dbpolling!9!11/28/2005-01:34:45:: UpgradePolling
polling service stopped
ReportingServicesService!servicecontroller!9!11/28/2005-01:34:47:: Service
controller exiting.
"Terry" wrote:
> After setting up and running the report subscription, the following Job error
> message is returned?
> 'EXECUTE AS LOGIN' failed for the requested login 'NT AUTHORITY\NETWORK
> SERVER'. The step failed
>|||Hi Terry,
Do you allow 'NT AUTHORITY\NETWORK SERVER' to access your database?
if i not wrong, the 'NT AUTHORITY\NETWORK SERVER' don't have permission to
access the database
thanks
Nicky