Microsoft recently published .Net Framework 4.6.1 as an inplace upgrade to the .Net Framework versions 4, 4.5, 4.5.1, 4.5.2 and 4.6. You can obtain the package via WSUS or Windows Update – but do not install it on an Exchange server.
My thoughts on Microsoft Azure and cloud technologies
Microsoft recently published .Net Framework 4.6.1 as an inplace upgrade to the .Net Framework versions 4, 4.5, 4.5.1, 4.5.2 and 4.6. You can obtain the package via WSUS or Windows Update – but do not install it on an Exchange server.