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[Solved] Office 365/Exchange : Unable to activate hybrid deployment (Content was blocked because it was not signed by a valid security certificate. For more information, see “About Certificate Errors” in Internet Explorer Help )
This week i had an Exchange installation, who wasn’t configured for hybrid deployment. When trying to do so, I ran into an error: Content was blocked because it was not signed by a valid security certificate. For more information, see “About Certificate Errors” in Internet Explorer Help. Solution: Add the Read more... [Solved] Office 365/Exchange : Unable to activate hybrid deployment (Content was blocked because it was not signed by a valid security certificate. For more information, see “About Certificate Errors” in Internet Explorer Help )