[cisco-voip] Unity Delayed Delivery Voicemails

Tue Jun 17 08:33:01 EDT 2008

Thanks everyone.  Let me add that everyone keeps talking about Exchange.
Are we talking about the Exchange that is part of Unity?  We don't use an
Exchange Email server.  But I understand that Unity uses a small version of
Exchange to hold and deliver Voicemails.

I have checked the Event Viewers on both machines, there seems to be no big
breaks of time where a server was down or being rebooted.  And since I am in
charge of VOIP as well as the network and all Msoft stuff, it would have
been me doing patching, and that was not the case.  I will look at turning
on Exchange Message Tracking on Unity.

When I run a report showing all devices in CCM, I see 2 devices devoted to
Message Waiting, so I assume those are the MWIs for the phones.  We have
about 60 phones here.  Is 2 MWIs enough?

I love this statement:  "If it shows delivery at the proper time, then it
might be time to start confirming people's stories."  Stories being the
operative word there....how much time have I wasted chasing down dropped
emails that *my mailserver* dropped, when in fact the user never sent them.
But my users can log into AIM, so they are network experts and I don't know
squat.  Oh Happy days!

I will keep digging.  Let me know if 2 MWIs are enough.  It's all I can
think of right now!  I am also seeing timeserver issues like this one:

"Because of repeated network problems, the time service has not been able to
find a domain controller to synchronize with for a long time. To reduce
network traffic, the time service will wait 960 minutes before trying again.
No synchronization will take place during this interval, even if network
connectivity is restored. Accumulated time errors may cause certain network
operations to fail. To tell the time service that network connectivity has
been restored and that it should resynchronize, execute "w32tm /s" from the
command line. "

I have been runnning a little freebie called "Atomic Clock" but due to the
recent DST changes, I disabled it.  Unity does have the right time, same
time as CCM and all the servers.  Anything there?

Thanks everyone!

On Tue, Jun 17, 2008 at 12:22 AM, Pat Hayes <pat-cv at wcyv.com> wrote:

> With some basics tests, you can at least narrow down where the delay is
> happening. The easiest thing to check (once you've enabled it :-) ) is
> Exchange Message Tracking. When does it show the message is received? If it
> is delayed, you're looking at a problem with Unity connecting to Exchange,
> if not, Unity is off the hook.
>
> If message tracking shows it arriving on time, but being delivered to the
> user late, then that is of course an exchange problem. If it shows delivery
> at the proper time, then it might be time to start confirming people's
> stories. Most times in this sort of scenario, it is really just delayed MWI,
> it'd be relatively unlikely for message tracking to show a message delivered
> at time X, but have it not available to the user/Unity for another hour or
> two.
>
> -Pat
>
> Todd Franklin wrote:
>
>> Thanks Scott.  The 'failed' folder is empty.
>>
>> The event logs are pretty 'uneventful' (sorry couldn't help myself).  The
>> Application log just has a fair amount of housecleaning stuff, and the
>> System log is pretty boring too, only an occasional W32Time event that says
>> this:
>>
>> This Machine is a PDC of the domain at the root of the forest. Configure
>> to sync from External time source using the net command,  'net time
>> /setsntp:<server name>'.
>>
>> Any other ideas of where to look?  I am going to take a look at CCM, see
>> if it logged any downages (since they are on the same switch, maybe CCM is a
>> little more sensitive and has a little something to further my
>> investigation).
>>
>>
>> On Mon, Jun 16, 2008 at 1:45 PM, Scott Voll <svoll.voip at gmail.com<mailto:
>> svoll.voip at gmail.com>> wrote:
>>
>>    could be a connection between exchange and Unity went down then it's
>>    come back and trying to reconnect and put those delayed VMs(while
>>    the connection was down) back into the users box now.
>>        Check the  \\unityServer\d$\CommServer\UnityMTA\Failed and see if
>>    you still have stuff there.  then go back into your event logs and
>>    see what happened.
>>        at least that's where I would start.
>>        Scott
>>
>>
>>        On Mon, Jun 16, 2008 at 10:28 AM, Todd Franklin <
>> toddnh65 at gmail.com
>>    <mailto:toddnh65 at gmail.com>> wrote:
>>
>>        I don't know what to make of this, because it hasn't happened to
>> me.
>>
>>        But I had one user say he checked his voicemail at 9AM, and he
>>        had 2 voicemails from around 8AM.  So he listened to them and
>>        deleted them.  He then came back in the office at 11AM, and he
>>        had 8 voicemails, all from the PREVIOUS day.  Now another user
>>        is saying the same thing happened to her today....has anyone
>>        heard of this??
>>
>>        Todd
>>
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