Hoping to get some more detail on this…

Does anyone know if the value for “pvalue” in the command below represents the 
EWS pageSize parameter?

run cuc dbquery unitydirdb execute procedure
csp_ConfigurationModify(pFullName='System.Messaging.MbxSynch.MbxSynchVoiceMailCountLimit',
pvalue="newvalue"

The UM guide says:

”new value specifies the value of the voicemails count limit that you can view 
after the paging parameter is enabled. Unity Connection by default manages the 
first 25000 voice messages per mailbox that avoid any delay in message 
synchronization between Unity Connection and Exchange server.”

It seems a voice message count of 25,000 is rather extreme, even when including 
receipts. Should this article be referring to message and item count instead of 
voicemails? Does the pvalue=”<value>” represent the number of results being 
requested by Unity via EWS? If so, then is it correct to say the default 
pageSize value is 25,000, which represents total results per page, and includes 
more than just voice messages?

Any detailed clarification would be great. This isn’t an issue, only trying to 
gather more information on Unity’s paged view operation.

Thanks

- Dan

From: cisco-voip [mailto:[email protected]] On Behalf Of 
Daniel Pagan
Sent: Thursday, September 11, 2014 11:48 AM
To: Justin Steinberg
Cc: [email protected]
Subject: Re: [cisco-voip] EWS Limits & Throttling Policy

Thanks – I noticed this as well and the preceding statement under the Exchange 
2010 SP2 RU4 section made me question the page view function when I first 
reviewed it, but it does seem to act as a solution in this case.

I reviewed a few other articles where paged view functionality is mentioned and 
it appears to be helpful in this situation. For others who might encounter this 
thread in the future… In addition to the article Justin provided:

Enhancement Defect:
https://tools.cisco.com/bugsearch/bug/CSCtz20281

Unity SU4 ReadMe – mentions the addition of the page view function:
http://www.cisco.com/web/software/282074295/111182/862asu4cucrm.pdf

Neat article explaining the details and providing examples behind page searches 
and the EWS API:
http://msdn.microsoft.com/en-us/library/office/dd633698(v=exchg.80).aspx

Thanks again for the tip, Justin

- Dan


From: Justin Steinberg [mailto:[email protected]]
Sent: Thursday, September 11, 2014 11:08 AM
To: Daniel Pagan
Cc: [email protected]<mailto:[email protected]>
Subject: Re: [cisco-voip] EWS Limits & Throttling Policy

I've successfully used the 'paged view functionality' on the later versions of 
Connections that works around this issue by staying under the EWS default 
limits.

http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/connection/10x/unified_messaging/guide/10xcucumgx/10xcucumg020.html#83993


On Thu, Sep 11, 2014 at 10:52 AM, Daniel Pagan 
<[email protected]<mailto:[email protected]>> wrote:
Folks:

I’m hoping someone can share their experience with the Cisco recommended method 
for removing EWS limits on Exchange 2010 SP2 RU4 and higher. In earlier 
releases of Ex2010 the process of setting a throttling policy applied only to 
the UM service account, and any throttling performed would be applied to that 
service account and not to the target mailbox. Please correct me if my 
understanding is incorrect, but with E2010 SP2 RU4 and higher, the policy is to 
be applied to every target mailbox, which seems like it would impact all other 
EWS applications impersonating these target mailboxes.
Removing EWS Limits from Exchange 2010 SP2 RU4 and Later
Microsoft has enabled the client throttling policy feature by default. If there 
is no throttling policy already configured, Microsoft Exchange applies a 
default policy to all users. The default throttling policy is tailored for end 
user's load and not for an enterprise application like, Cisco Unity Connection 
using impersonation. If any Cisco Unity Connection users who are configured for 
unified messaging have mailboxes in Exchange 2010, configure the Exchange 2010 
EWS limits for the unified messaging users mailbox by creating and applying a 
new mailbox policy to the unified messaging user mailbox account. If you do not 
configure EWS limits, messages may not be synchronized, and status changes (for 
example, from unread to read), changes to the subject line, and changes to the 
priority may not be replicated. In addition, attempts to access Exchange 
calendars and contacts may fail.

The MS KB referring to the throttling policy change: 
http://support.microsoft.com/kb/2713371

Perhaps my understanding is wrong, but it seems like a backwards move. Has 
anyone seen any adverse effects of applying the Cisco recommended throttling 
values as the system default? Perhaps any problems where applying the 
throttling policy to the target mailbox impacts other EWS apps like BlackBerry 
Enterprise? Are you applying the throttling policy for every single UM enabled 
mailbox, individually, via management shell?

Thanks!

- Dan

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