Microsoft exchange is unavailable error

The connection to Microsoft Exchange is unavailable. Outlook must be online or connected to complete this action. You may refer to the following article which discusses about the same issue and check if it helps:. If the above steps fail, for better suggestions related to Outlook on Exchange environment, you may post your question in the forum below:. Was this reply helpful? Yes No. Sorry this didn't help.

Thanks for your feedback. If you mean tablets and smartphones, than note that they are no reference to the settings required in Outlook. Outlook makes an actual Exchange connection whereas smartphones and tablets make Exchange ActiveSync connection which is a completely different protocol. Roady - Many thanks for your response to my inquiry. I still can't log in and receive a message "There is a problem with the proxy server's security certificate.

The name on the security certificate is invalid or does not match the name of the target site. However, I did get further I received the dialog box titled Windows Security and entered my user name as well as password. Unfortunately, I could not get pass this. Look on the certificate which names are registered for your domain. See: Cannot verify Security Certificate warning. Even consider removing your antivirus temporarily to check if that fixes your error. Since this error is not so self-explanatory, you may have to try different solutions.

Lavanya Rathnam is a professional writer of tech and financial blogs. Creative thinker, out of the boxer, content builder and tenacious researcher who specializes in explaining complex ideas to different audiences. Also creating a new profile for outlook, as it happens at times that the outlook profile becomes corrupted. It depends what authentication protocol is being used, by default it is set to Basic. Every error had to be fixed and there were too many errors. Gosh I got afraid!! Seriously, I couldn't do it.

I then started to use a paid software called GS Richcopy after I read about it on a blog. And man it is dope. Ur man is no longer afraid of anything. Hi, I have Windows 7 and Outlook and usually use my company's exchange server for e-mail.

It worked fine until it was changed exchange server to version and I couldn't fix it nor company's IT. They suggest to install Windows 10 and Office Is there any way to fix it without installing new version of Windows and MS Office? Thanks and Best Regards, Rexhep. If the exchange connectivity analyzer tool does not sense any issues then you need to create new Outlook profile for single mailbox in exchange server.

On creating Outlook profile again, the problem further persists and multiple user get affected. Then in such case you need to contact official Microsoft support with complete issues and no user affected etc.

Many times third party applications such as Antivirus and other similar applications interrupted in smooth connection of exchange server with outlook. Then in such case you need to start Outlook in safe mode. By opening Outlook in safe mode you are not able to access any plug-ins.

If the exchange server not available error remains there. Then you need to take help of any professional solution.