Event ID 26380 - "The System Center Operations Manager SDK Service failed due to an unhandled e

To resolve this issue follow the steps below: 1. Remove the System Center Operations Manager 2007 R2 Authoring console if it was installed on a System Center Operations Manager 2007 SP1 RMS server. 2. Download and install the .NET Framework 2.0 Software .

social.technet.microsoft.com