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"Please wait for the System Event Notification Service" error message when users try to log on or log off a terminal server that is running Lync 2010
Article ID: 2709670 - View products that this article applies to.
When users try to log on or log off a terminal server that is running a Microsoft Lync 2010 client, the Windows session stops responding. Additionally, the users receive the following error message:
"Please wait for the System Event Notification Service"
This issue occurs because the Lync 2010 client uses a legacy Windows API to obtain the Windows logon or logoff event notifications.
To resolve this issue, install the following cumulative update.
(http://support.microsoft.com/kb/2701664/ )Description of the cumulative update package for Lync 2010: June 2012
For more information about the ISensLogon interface, go to the following Microsoft website:
General information about the ISensLogon interface