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Communicator 2007 R2 Release Version Numbers and Corresponding Patches

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One of the most common checks that we do when troubleshooting Communicator client issues is to check whether or not you are running the latest version of Communicator client or not. A majority of the client issues that get reported are resolved by upgrading to the latest release/update of the communicator client. It is highly recommended to ensure that you have the most up-to-date version of your client before you contact Product Support.

 

To check the client version, navigate to "About Office Communicator" from within your client

 

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The version number is usually on the Second line. (3.5.6907.225 in the screenshot below)

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Another way to check the client version is to look at the client UCCP log and look at any of the outgoing messages. For example, look at the initial REGISTER sent from the client: 

05/30/2011|09:26:45.633 610:B0C INFO :: REGISTER sip:treyresearch.net SIP/2.0

Via: SIP/2.0/TLS 192.168.11.121:49306

Max-Forwards: 70

From: <sip:user7@treyresearch.net>;tag=580fd9f5d2;epid=6cfd0ed78d

To: <sip:user7@treyresearch.net>

Call-ID: 4e6ffcfc3bfa47ebb80aee523f7e6527

CSeq: 1 REGISTER

Contact: <sip:192.168.11.121:49306;transport=tls;ms-opaque=eb5b8485b1>;methods="INVITE, MESSAGE, INFO, OPTIONS, BYE, CANCEL, NOTIFY, ACK, REFER, BENOTIFY";proxy=replace;+sip.instance="<urn:uuid:8A8C06E0-166A-5CC2-8145-82F56C6CCF50>"

User-Agent: UCCAPI/3.5.6907.223 OC/3.5.6907.225 (Microsoft Office Communicator 2007 R2)

Supported: gruu-10, adhoclist, msrtc-event-categories

Supported: ms-forking

ms-keep-alive: UAC;hop-hop=yes

Event: registration

Content-Length: 0

Now that you have a number, how do you know which release is actually running on the client?
Each update (updates are cumulative, thus the acronym CU may also be used) that is released by Microsoft for Office Communicator has its own version number. You can find out the version number associated with an update by looking at the related KB article and noting the version of 'Communicator.exe' in the 'File Information' section near the very end of the article.

 

For a quick reference I have listed the versions, release month/year and a link to the KB article of all the updates released till date for Office Communicator 2007 R2 in the table below:

 

3.5.6907.266

December 2012

https://support.microsoft.com/kb/2755391

  

3.5.6907.261

October 2012

https://support.microsoft.com/kb/2726391

  

3.5.6907.253

June 2012

https://support.microsoft.com/kb/2708980

  

3.5.6907.244

January 2012

https://support.microsoft.com/kb/2647093

CU11

3.5.6907.236

September 2011

https://support.microsoft.com/kb/2590699

CU10

3.5.6907.233

June 2011

https://support.microsoft.com/kb/2549042

CU9

3.5.6907.225

March 2011

https://support.microsoft.com/kb/2501722

CU8

3.5.6907.223

December 2010

https://support.microsoft.com/kb/2472479

CU7 - HF1

3.5.6907.221

November 2010

https://support.microsoft.com/kb/2291453

CU7

3.5.6907.206

July 2010

https://support.microsoft.com/kb/2028888

CU6

3.5.6907.196

April 2010

https://support.microsoft.com/kb/978564

CU5

3.5.6907.83

Jan 2010

https://support.microsoft.com/kb/976135

CU4

3.5.6907.56

Oct 2009

https://support.microsoft.com/kb/972884

CU3

3.5.6907.37

July 2009

https://support.microsoft.com/kb/969695

CU2

3.5.6907.34

June 2009

https://support.microsoft.com/kb/972042

CU1 - HF2

3.5.6907.22

May 2009

https://support.microsoft.com/kb/971083

CU1 - HF1

3.5.6907.9

April 2009

https://support.microsoft.com/kb/967673

CU1

Comments

  • Anonymous
    June 28, 2011
    How to check which edition is installed, Standard or enterprise

  • Anonymous
    July 03, 2011
    The Communicator client is the same for the Office Communications Server 2007 (R2) Standard or Enterprise Edition.

  • Anonymous
    July 22, 2011
    The most current OCS 2007 R2 Related patches/updates can be found here: technet.microsoft.com/.../ee695846.aspx Similarly, all Lync related patches can be found here: technet.microsoft.com/.../gg131945

  • Anonymous
    June 15, 2012
    There is apparently a new Communicator MSP version 3.5.6907.253 released in June 2012.  The only fix may be a new security vulnerability (MS12-039).  As far as I can see, the latest version is still shown as .244 (CU11) but the MS pages are not fully up to date yet.

  • Anonymous
    October 10, 2012
    There is another new Communicator MSP version 3.5.6907.261 released on Tuesday, 9 October 2012.  The only fix seems to be a new security vulnerability (MS12-066).  The January .244 (CU11) release link above still points to the .253 release from June.  The latest MSP is here: www.microsoft.com/.../details.aspx

  • Anonymous
    October 12, 2012
    @Paul Thanks, I have updated the table