This is fairly common if you do not save the config of Cisco.https://www.experts-exchange.com/questions/28273267/Exchange-2010-Activesync-stopped-working-externally.html The negotiation between MobileIron and the ActiveSync device is using the ActiveSync protocol. Ok so DNS resolves the name but every other test fails. I thought you would have said Cisco something. I did a port test but it 443 is fine, but 80 is closed. We have an Exchange 2010 to Exchange 2016 migration planned.
This may have been caused by an outdated or corrupted Exchange ActiveSync device partnership. So it might be a new one for you. Do you have port forwarding through a firewall or do you have a reverse proxy such as Microsoft Threat Management Gateway? It's important that we install the right .NET Framework version. Verify that Autodiscover is working for Microsoft Exchange ActiveSync. This will not work for ActiveSync or OWA without some configuration, which is NOT recommended. There are actually several things you can check on your CAS, but you can first just check your phone to be sure it still works.
Hey, have you tried Microsoft's Remote Connectivity Analyser? (No credit card required) This award recognizes someone who has achieved high tech and professional accomplishments as an expert in a specific topic. Unlock this solution and get a sample of our free trial. This is certainly a new one for me. Cause. This included Firewalls, ISA server (if used) This award recognizes someone who has achieved high tech and professional accomplishments as an expert in a specific topic. Let me explain the Infrastructure here for connecting Activesync. Why is ActiveSync MobileIron not syncing after Exchange mailbox migration The devices (phones or tablets) with a mailbox that has been migrated from Exchange 2010 to 2016 are having problems. Make sure DNS is properly resolving the autdiscover.example.com name, that the user is attempting to use valid credentials that aren’t locked out, and that the certificate on the CAS server has not expired. Exchange MBX ß CAS ß F5 LBß MobileIron ß Firewall ß … That’s because ActiveSync does not switch to the new ActiveSync protocol that Exchange 2016 uses. This award recognizes someone who has achieved high tech and professional accomplishments as an expert in a specific topic. if it works in the internally. I agree with Alan. You don't need port 80 open unless you are using Activesync without SSL, which isn't in the least bit advisable, or you are hosting websites that need to be available publicly. it will not problem with Exchange services. He started Information Technology at a very young age, and his goal is to teach and inspire others. Second, try to reproduce the problem. What are you using to make Active Sync externally accessible? https://www.experts-exchange.com/questions/28273267/Exchange-2010-Activesync-stopped-working-externally.html Exchange 2010: ActiveSync is not working via MobileIron. Please provide your email to receive a sample view! An exception occurred and was handled by Exchange ActiveSync.
should located in DMZ, If so, you may like the article ALI TAJRAN is a passionate IT Architect and IT Consultant. Sharing to help everyone. True, if you have m…
Sounds like your router lost it's port forwarding of port 443. Our community of experts have been thoroughly vetted for their expertise and industry experience. You don't is the simple answer. Otherwise a lot of guess work will take place. The organization infrastructure contains:Let’s reproduce the problem by following the steps:Open the email application on your phone or tablet. The last step, find the solution. It’s Free.Follow us on social media and keep up with our latest Technology news.Subscribe to the newsletter to get your weekly fix of the latest tips, solutions, and trends in technology. If you do, start migrating because First, we need to have a helicopter view of the organization’s infrastructure. To do this, follow these steps: Browse to the Microsoft Remote Connectivity Analyzer site; Select Exchange ActiveSync Autodiscover from the Microsoft Exchange ActiveSync Connectivity Tests and click Next; Enter all the required fields and click Perform Test Install it before installing or…By default, circular logging in Exchange 2016 is disabled. UNLOCK SOLUTION This will not work for ActiveSync or OWA without some configuration, which is NOT recommended. Do you have Exchange 2010 in your environment? This award recognizes someone who has achieved high tech and professional accomplishments as an expert in a specific topic. His specialism is designing and building complex enterprise environments. We recommend keeping circular logging disabled.…Configure the right power plan on the Exchange Server. This award recognizes someone who has achieved high tech and professional accomplishments as an expert in a specific topic. That’s because ActiveSync does not switch to the new ActiveSync protocol that Exchange 2016 … To resolve this problem, connect to Exchange by using the standard Exchange connection settings. Ok so it sounds like something is not getting through on port 443. Did you enjoy this article? If this is the case, Exchange ActiveSync will re-create the partnership with the device.
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