Hi,

No, NetBackup does not propagate changes in retention retrospectively.

If you need to change retention of existing images, you need to run bpexpdate 
with the -recalculate switch for the images in question.

On 3 Jul 2014, at 3:56 am, settler <nbu-forum AT backupcentral DOT com> wrote:

> If I change the retention attributes on an existing policy, do the retention 
> attributes apply to that which was backed up prior to making the change?  
> e.g.  if I change retention attributes from 1 year, to 45 days, will data 
> older than 45 days that has been backed up prior to making the policy change 
> expire out naturally.  Conversely, if I change the attributes from 45 days to 
> 1 year, will the data that was backed up prior to the policy change abide to 
> the new policy.
> 
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