OCS 2007 R2 – Terence Luk

MOC 2007 R1 or R2 client throws the error: “Cannot synchronize with the corporate address book. This may be because the proxy server setting in your web browser does not allow access to the address book. If the problem persists, contact your system administrator.”

September 23, 2011

Problem You have OCS 2007 R1 deployed in your environment and began noticing MOC (Microsoft Office Communicator) clients display a notification: … labeled: Cannot Synchronize Address Book … with the error message: Cannot synchronize with the corporate address book. This may be because the proxy

You notice the notification “Limited External Calling” displayed on your MOC client when setting up Avaya RCC integration with Lync Server 2010 while in coexistence with OCS 2007

September 22, 2011

Problem You noticed that after you’ve configured your Avaya AES server in the Trusted application servers node in your Lync Server 2010 topology: … you notice that legacy OCS 2007 MOC clients being having the notification: Limited External Calling with the message: Some calls to

OCS 2007 MOC shows the error: “Cannot Synchronize Address Book”

June 7, 2011

Problem You notice a notification at the top right hand corner of your MOC client and when you click on it, you see the error: Cannot Synchronize Address Book You proceed to click on it and you get the following detailed message: Cannot synchronize with

OCS 2007 R1 or R2 MOC client indicates the following error: “Communicator could not retrieve calendar Out of Office information from Exchange Web Services…”

May 17, 2011

It’s been a while since I’ve come across an OCS 2007 R1 environment but as I start off a new project at a client’s office today, I realized that they were still on R1. As I took the time to familiarize the RCC configuration they

Can Microsoft Lync Server 2010 handle line URI extensions with the format “1234567890;ext=xxxx” that start with a “0”?

March 17, 2011

For those who have come across one of my previous posts about Microsoft Lync Server 2010 handling extensions that start with a “0”: https://blog.terenceluk.com/2011/02/can-microsoft-lync-server-2010-handle.html Can Microsoft Lync Server 2010 handle extensions that start with a “0”? … the project with the client who initially asked

Lync Server 2010 Desktop Share issue with Windows 7 and UAC: “Share control is disabled for elevated applications.”

March 6, 2011

For those who have come across one of my earlier posts about: OCS 2007 R2 Desktop Share issue with Windows 7 and UAC https://blog.terenceluk.com/2010/10/ocs-2007-r2-desktop-share-issue-with.html … I finally had some time over this weekend to try testing the same scenario with Microsoft Lync and the results

Items to check if network packets captured do not show DSCP markings for OCS 2007 R2

February 16, 2011

To follow up on my previous post about DSCP markings for OCS 2007 R2 (https://blog.terenceluk.com/2011/02/enabling-dscp-marking-for-ocs-2007-r2.html), I’ve written extra notes on the items I had to check when I noticed some workstations or servers did not appear to have the expected DSCP markings when performing network

Understanding “Missed Call Notifications” and voicemail message delivery with OCS 2007 R2 / Lync Server 2010 and Exchange 2007 / 2010

February 15, 2011

I was talking to a fellow Microsoft UC consultant the other day about how: Missed call notifications Voicemail message delivery … worked and realized that I had problems remembering the details of the differences between the 2 and while most of it came back after

Verifying and testing OCS 2007 R2 public DNS records and Edge connectivity

February 14, 2011

I find that I tend to forget a lot of the things I do to validate an OCS 2007 R2 remote access deployment when I spend a few months working on other projects so this post serves as way of reminding me what I typically

Can Microsoft Exchange 2007 / 2010 Unified Messaging handle extensions that start with a "0"?

February 13, 2011

As some of you have probably come across 2 of my previous posts: Can Microsoft Lync Server 2010 handle extensions that start with a “0”? https://blog.terenceluk.com/2011/02/can-microsoft-lync-server-2010-handle.html Can Microsoft OCS 2007 R2 handle extensions that start with a “0”? https://blog.terenceluk.com/2011/02/can-microsoft-ocs-2007-r2-handle.html I’ve mentioned in one of those

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MOC 2007 R1 or R2 client throws the error: “Cannot synchronize with the corporate address book. This may be because the proxy server setting in your web browser does not allow access to the address book. If the problem persists, contact your system administrator.”

You notice the notification “Limited External Calling” displayed on your MOC client when setting up Avaya RCC integration with Lync Server 2010 while in coexistence with OCS 2007

OCS 2007 MOC shows the error: “Cannot Synchronize Address Book”

OCS 2007 R1 or R2 MOC client indicates the following error: “Communicator could not retrieve calendar Out of Office information from Exchange Web Services…”

Can Microsoft Lync Server 2010 handle line URI extensions with the format “1234567890;ext=xxxx” that start with a “0”?

Lync Server 2010 Desktop Share issue with Windows 7 and UAC: “Share control is disabled for elevated applications.”

Items to check if network packets captured do not show DSCP markings for OCS 2007 R2

Understanding “Missed Call Notifications” and voicemail message delivery with OCS 2007 R2 / Lync Server 2010 and Exchange 2007 / 2010

Verifying and testing OCS 2007 R2 public DNS records and Edge connectivity

Can Microsoft Exchange 2007 / 2010 Unified Messaging handle extensions that start with a "0"?

Hello! My name is Terence Luk and welcome to my blog.

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