After you install the update that is mentioned in Microsoft Knowledge Base (KB) article 2514982 on a non-English version of the Microsoft Lync 2010 client, the CorePlaybackEngine.resources.dll file is not localized. Additionally, you encounter the following issues:
The strings in Lync 2010 Recording Player are not localized when you use Recording Manager to play a recording.
The Language property in the Details tab of the CorePlaybackEngine.resources.dll file's Properties page is not set correctly.
The resource strings are not localized correctly if you extract the CorePlaybackEngine.resources.dll file.
To resolve this issue, install the following update:
2701664 Description of the update for Lync 2010: June 2012
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
2514982 Description of the cumulative update for Lync 2010: November 2011