Problems with new exchange server
I have a brand new 2012 server running exchange 2013. Ever since we installed this exchange server, it has been a huge pain. We've had it up and running perfectly one day, then the next it constantly spits out issues from users about not being able to connect
to the proxy server. I've had times where OWA and ECP are accessible and functional, and times where they are not (blank page).
Most recent iteration of issues. This morning everything was working fine (and was for a few days minus the fact the clients would randomly disconnect for at most 10-15 seconds at a time before reconnecting). I left for lunch, and came back to all outlook
clients receiving a:
There is a problem with the proxy certificate. The name on the security certificate is invalid or does not match the name of the target.
I was also unable to log in to the OWA or the ECP. (would login, but give me a blank page).
After some research that led me to http://sumoomicrosoft.blogspot.de/2012/11/exchange-2013-emc-blank-page.html I was finally able to restore connectivity to the OWA and ECP. Fortunately there arent many users here today, so the only user around is
able to function off the OWA. However, this did not resolve the outlook clients.
It may be obvious, but I am not an exchange administrator. My boss sold them exchange 2013 because they demanded hosting onsite rather than through 365 and now Im having to deal with the fallout. If anyone with some exchange experience can give some advice,
I will give you all the information you ask to resolve this issue once and for all.
Well,this sounds like certificate issue.
First of all,if you are able to login to ecp please login and navigate to Servers - certificate.
Do you have only default certs?By default there is only 3 certs (if CAS and Mailbox is installed on same server)
If so,then you need to issue a new cert,either through 3rd part ( like godaddy ) or using domain CA to issue one.
Here is some guide: http://exchangeserverpro.com/create-ssl-certificate-request-exchange-2013/
Or if prefere VDO: http://www.youtube.com/watch?v=eukMn9F0I-8
Remember that name of the certificate MUST contain FQDN name of your exchange CAS servers.
Subject name should be the name of your domain.
Recomended is to use 3rd part certificate authority like godaddy.
When cert is created,check your iis that the new cert is bounded to the site (default web site) on your Exchange servers.
Please mark as helpful if you find my contribution useful or as an answer if it does answer your question. That will encourage me - and others - to take time out to help you. Thank you! Off2work
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Hi all,
From time to time (at least once a day), the following message pops up on the user's screen:
"There is a problem with the proxy server's security certificate. Outlook is unable to connect to the proxy server . Error Code 80000000)."
If we click "OK" it goes away and everything continues to work although sometimes Outlook disconnects. It is quite annoying...
Any ideas?
Thank you in advanceHi,
For the security alert issue, I'd like to recommend you check the name in the alert windows, and confirm if the name is in your certificate.
Additionally, to narrow down the cause, when the Outlook client cannot connect again, I recommand you firstly check the connectivity by using Test E-mail AutoConfiguration. For more information, you can refe to the following article:
http://social.technet.microsoft.com/Forums/en-US/54bc6b17-9b60-46a4-9dad-584836d15a02/troubleshooting-and-introduction-for-exchange-20072010-autodiscover-details-about-test-email?forum=exchangesvrgeneral
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TechNet Community Support -
Good day Guys
First of all I am not an Exchange Expert, and I might be asking a very stupid question, but please bare with me. :)
While I was on leave our Mail server fell over and The company got a Specialist to help out for the time being.
We where\are on Microsoft Exchange 2007 , which Fell over, and the specialist was able to recover as much data as he could.
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Outlook is unable to connect to the Proxy server. (Error Code 0)"
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Firstly, I would suggest we use Exchange 2013 FE as the Outlook Anywhere proxy server.
For the certificate issue, it mostly occurs because the host name that Outlook are trying to access does not match the certificate SAN. Please check with this point. If they do not match, you
can change the host name by referring to the following article:
https://support.microsoft.com/kb/940726/en-us?wa=wsignin1.0
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This is a long-time problem. I have tried to resolve it with Apple but their "Customer Support" is merely a name.
I can go online and access my e-mail but when I try to send or receive e-mail via iCloud through my internet server (Google fiber now but the same situation existed with my prior service), I receive "There may be a problem with the mail server or network. Verify the settings for 'Apple Email' and try again.
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Csound1: iCloud: Configuring Mail with Mac OS X v10.6 or iOS 4
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