Such a course as this might be immodest in another; but I have devoted upward of nine full weeks, first and last, to a careful and critical study of this tongue, and thus have acquired a confidence in my ability to reform it which no mere superficial culture could have conferred upon me.
Remove-ExchangeCertificate: The internal transport certificate cannot be removed because that would cause the Microsoft Exchange Transport service to stop. To replace the internal transport certificate, create a new certificate. The new certificate will automatically become the internal transport certificate.
Requesting a certificate from a local certification authority. When server certificates are for internal use, you can create a local certification authority (CA) and avoid purchasing a commercial certificate. To set up a local certification authority. Open Control Panel. Double-click Add or Remove Programs.