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#Outlook for mac 2011 unable to establish a secure connection install
#Outlook for mac 2011 unable to establish a secure connection full
#Outlook for mac 2011 unable to establish a secure connection software
#Outlook for mac 2011 unable to establish a secure connection password

Note 2: If you’re reading this post after August 2016, check and make sure the new cipher_suites value that you add is one that’s still cryptographically valid. Note: This solution will only help if the remote server is configured with an SSL key that has an ECDSA (not RSA) signature, but all of the the cipher_suites that the client PC is configured to support are RSA (not ECDSA).

Connecting to from my local workstation using Internet Explorer 11 also worked fine.

However, connecting to using the Chrome browser from that same client PC worked fine.

If this error persists, contact your site administrator.” Error message: “Turn on TLS 1.0, TLS 1.1, and TLS 1.2 in Advanced settings and try connecting to again. Symptom 2: In Internet Explorer 11, attempting to connect to failed.

The exact same C# program worked fine when I ran it from my local workstation as the client PC (connecting to the same remote server).

The program did work fine to make connections to all other HTTPS URLs that we had tried.

Error message: “The request was aborted: Could not create SSL/TLS secure channel.”

Symptom 1: In a C# program, an attempt to establish an HTTPS (SSL / TLS) connection to failed. The client computers affected by the issue were a pair of servers, running Windows 2012 R2 and Windows 2008 R2, respectively.įor the purposes of this post, I’ll use as the URL of the remote server.

If Outlook is able to set up your account, you'll see the following text: "Congratulations! Your email account is successfully configured and ready to use.I recently did troubleshooting for, and managed to successfully fix, an issue where HTTPS connections to a specific remote server were failing to be made successfully.

#Outlook for mac 2011 unable to establish a secure connection full

Make sure that you enter your full email address (for example, as your user name.

#Outlook for mac 2011 unable to establish a secure connection password

You'll be prompted to enter your user name and password during this search. To reset the options, click the option button next to Manually configure server settings or additional server types, and then click the option button next to E-Mail Account.Īuto Account Setup page, Outlook will search online to find your email server settings. If the name in the Your Name box isn't correct, you may need to reset the options on the Auto Account Setup page before you can edit your name. If the settings on the Auto Account Setup page aren't filled in, type theĬorrect settings based on the information that was provided to you by the person who manages your email account. If the settings on the Auto Account Setup page aren't filled in or aren't correct, do the following: Next to have Outlook finish setting up your account. If the settings are filled in and they're correct, click Name and E-mail Address settings based on how you're logged on to your computer. If the Microsoft Outlook Startup wizard doesn't appear, on the Outlook toolbar, click theĪuto Account Setup page, Outlook may automatically fill in the Your If the Microsoft Outlook Startup wizard appears, on the first page of the wizard, click Set up your Office 365 email in Outlook 2016 or Outlook 2019 Step 2: Connect your desktop version of Outlook to Office 365Īfter you have run Office 365 desktop setup, connect your desktop version of Outlook that you're using to Office 365. Microsoft desktop application will install, once installed a confirmation box will appear.

#Outlook for mac 2011 unable to establish a secure connection install

Once the application has downloaded a Microsoft Office 365 desktop setup box will be displayed.

If you've installed the latest version of Office, you don't need to perform Step 1.

#Outlook for mac 2011 unable to establish a secure connection software

Before you run Office 365 desktop setup, be sure that your computer meets the software requirements for Office 365 for business. Use Office 365 desktop setup to configure your desktop applications and install required updates. You can set up Microsoft Outlook 2013 and above to access your Office 365 email. Microsoft withdrew support for Outlook 2010 on 13 October 2020.