This update resolves an issue that causes Microsoft Communicator for Mac 2011 running on Mac OS 10.7 (Lion) to crash when you send an IM or start an audio call or a visual call.
Before you install the Communicator 2011 13.1.2 Update, make sure that the computer is running Mac OS X v10.5.8 or a later version of the Mac OS X operating system.
To verify that the computer meets this prerequisite, click About This Mac on the Apple menu.
Additionally, you must install Microsoft Communicator for Mac 13.1.0 Update or a later update before you install the Communicator for Mac 13.1.2 Update.
To verify the update that is installed on your computer, follow these steps:
On the Go menu, click Applications.
On the Communicator menu, click About Communicator.
In the About Communicator dialog box, notice the version number that is displayed there. It should be 13.1.0. or 13.1.1.
If the version number is 13.0.0, you must install the Microsoft Communicator for Mac 13.1.0 Update. For more information about how to install the Communicator for Mac 13.1.0 update, click the following article number to view the article in the Microsoft Knowledge Base:
2476505 Description of the Microsoft Communicator for Mac 2011 13.1 Update
How to obtain the update
The following file is available for download from the Microsoft Download Center:
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
For a complete list of the files that this update adds or changes, double-click the update installer, and then click Show Files on the File menu.
The Communicator 2011 13.1.2 Update is also available from Microsoft AutoUpdate. AutoUpdate is a program that automatically keeps Microsoft software up-to-date. To use AutoUpdate, start a Microsoft Office program, and then click Check for Updates on the Help menu.
For more information about resources for Communicator for Mac 2011, visit the following Microsoft website: