Show pageOld revisionsBacklinksBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. CKG Edit ====== ====== ===== Error Message ===== You must use the Role Management Tool to install or configure Microsoft .NET Framework 3.5. ===== Explanation of Error ===== When attempting to complete the install of Cyrious Control onto a system with the Microsoft Windows Server 2008 R2 operating system you encounter the error above. ===== Severity ===== **High**. User will not be able to successfully install the program. ===== Possible Root Cause(s) ===== Microsoft Windows Server 2008 R2 already has Microsoft .NET 3.5.1 framework pre-installed however it is in a disabled state. To correct the problem you just need to enable the feature from Server Manager interface. ===== Resolution ===== - Click on the Windows 'Start' button on the Task bar. - Type 'Server' in the dialog box - Double-click the Program 'Server Manager. - Once your Server Manager appears, highlight 'Add features' - When the wizard appears select 'NET Framework 3.5.1' from the Add Features Wizard in Server Manager. - Follow the prompts to install. - Rerun the Control installation. ===== Version Information ===== * Reported : 11/05/2009 * Version(s): Control 4.3, Windows Server 2008 R2