2005: Released Open Enterprise Server, which offered a choice between a NetWare or SuSE Linux Enterprise Server kernel.

2006: Ronald Hovsepian replaces Messman as CEO. Company announces controversial joint patent agreement with Microsoft.

2009: Reorganizes into two business units called: Security, Management, and Operating Platforms; and Collaboration Solutions.

March, 2010: Declines buyout offer from Elliott Associates, L.P., which owns about 8.5% of the company's stock.

Nov. 22, 2010: Agrees to be for $2.2 billion, which includes the $450-million sale of certain intellectual property assets to CPTN Holdings, a technology consortium led by Microsoft.