Tag Archives: MOC

Group Policy configuration may break Presence for non contacts

Recently a client contacted me a after an OCS Enterprise implementation. The client noticed during their user training sessions that users could not see the Presence of other users when searching in communicator. The issue would resolve itself once the contact they were searching for added them to their contact list. Continue reading

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One way messages with federated partner and ID 504 in Communicator

Since the blog I did on Live Meeting troubleshooting I have seen a lot of queries leading people to the site for troubleshooting OCS. I’ve also seen a ton of questions on the subject on the MS forums. All this has lead me to the conclusion that OCS troubleshooting isn’t that easy to get a handle on. With that in mind I’m writing this post on troubleshooting federation. First and foremost, this article is about troubleshooting a mistake I made during a deployment recently, and if you ask any PSS engineer they will tell you 80% of the problems they face with OCS are based on the same thing: human error/configuration error. As I said in my last troubleshooting post, I’m no expert on troubleshooting OCS, but hopefully this post will help someone out there. As always I encourage you to share your stories and methods if you think they may help someone else.
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What to do when your customer’s WAN is actually firewall to firewall VPN’s

Recently I began planning for a centralized deployment of OCS that would sit in one of 6 offices for a client we’ll call Acme Accounts. Acme will start out using OCS for IM, P2P audio/video and Live Meeting; eventually OCS will grow into a full blown enterprise voice solution. The first big hurdle for us when designing Acme’s OCS implementation was their “WAN”, instead of typical MPLS or point to point connections, Acme uses its internet connections and ASA firewalls in each location to create VPNs that allow traffic to route between sites. The latency created by this solution has never been an issue, but voice and video were never running over this connection either. Continue reading

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OCS Patches Released

Today a number of new patches were released including updates for OCSPE (Phone Edition), OCS and Communicator. Included in the Communicator update is a fix for the audio quality issue I wrote about here. As always please test all patches in a non-production environment. Continue reading

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A workaround for folks experiencing quality issues when using MOC and Vista

After working with Microsoft for the passed few weeks on a significant audio quality issue we have found what’s causing the problem and a good workaround until a fix is released. Continue reading

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For all who are having audio quality issues with MOC and Vista, a request for input.

All, I currently have a case open with Microsoft around call quality issues when utilizing Vista and MOC.  These issues can occur with a Catalina or any other device that is connected to your PC.  We have found some interesting … Continue reading

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Mediation Server Fix to Allow Display Name May Break Outbound Calling…

Let’s start with a statement about this post: THIS IS NOT AN OCS PROBLEM 🙂

With the July hotfix Microsoft introduced the ability to add Display Names sent from the PBX to the toast in MOC.
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New Updates Released for OCS

For anyone who hasn’t seen them, a number of patches were released today by Microsoft. The patches have actually resolved a number of issues in a production environment I am working in today Continue reading

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From The People Who Brought You: Static with Catalina Phones – maybe not the phones fault…

On to the reason for the post. Way back on July 9th I wrote a post about hardware problems causing static and clicking sounds on Catalina’s. What we’ve found after some more testing is below: Continue reading

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Delay in call setup when using Response Groups and A/V with https Inspection

For the past few days I’ve been working with Microsoft on an issue with Response Group agents seeing a delay between when the click answer in MOC and when the call controls actually show up and audio starts…. Continue reading

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