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Problems with Exchange services

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Problems with Exchange services - 22.Nov.2015 7:42:35 AM   
ubuntu118

 

Posts: 4
Joined: 22.Nov.2015
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Hi

I have some problems with Exchange 2013, but first you will need to know how this happened:
About two months ago, I setup an Exchange server (2013 SP1 on Server 2012 R2 box, virtualized on ESXi 5.0). Everything was working fine till some days ago, at time which I decided to install Web Remote Management role on this server (Yes! I know I shouldn't have done this, but I didn't know anything about its side-effects). After enabling that role, the entire Exchange service went done. I resolved it by removing that role, but only Outlook connectivity was restored. ECP, OWA, PowerShell and any other services based on IIS didn't came back up. Atfer many hours of work on IIS, I could bring back ECP and PowerShell up. My work inlcuded reseting all virtual directories (on Default Website) and playing around with certificates.
Now, the problems I have:
1. Yesterday, suddenly some clients lost their Outlook connectivity, reporting that it says: "Trying to connect ..." and after some time: "Disconnected". This problem propagated to the entire company yesterday and today and all clients faced this problem. The only solution we found to this was to remove/repair accounts, including manual setup of accounts. Outlook AutoDiscover doesn't work at all. At 3rd step on setup, it says "The connection to the Microsoft Exchange Server is unavailable." and asks for server and mailbox address. We have to setup Exchange account manually and enter IP address of server and mailbox address (It even doesn't work with FQDN, though DNS lookup on the same client and at the same time results in successful resolution of FQDN to IP). The strange part is that after setting up account, if I right-click Outlook account in system tray while hodling CTRL key, and then choose "Test E-mail AutoConfiguration...", everything works fine there and tests state that AutoDiscover works!
2. In random times, Outlook asks clients for their Windows credentials. I don't know why, as before this it never did so.
3. When entering ECP, I face HTTP Error 404 (IIS error page), titled "Server Error in '/ecp' Application." saying that "Requested URL: /ecp/login.aspx" not found. But when I clear everything after "/ecp/" from the URL appearing in the address bar (https://exchange.golbarg.local/ecp/login.aspx?ReturnUrl=%2fecp%2f) and hit enter, ECP opens successfuly and works fine.
4. A problem similar to 3 appears when entering OWA. A page saying "404 can't find page :-(" appears (Outlook error page which is different from IIS one). Again, clearing everything after "/owa/" from address (https://exchange.golbarg.local/owa/auth/errorFE.aspx?httpCode=404#ReturnUrl=/owa/?bO=1&bO=1) gives OWA working fine.

Any suggestions are welcome.

Regards.
Post #: 1
RE: Problems with Exchange services - 22.Nov.2015 11:53:21 PM   
ubuntu118

 

Posts: 4
Joined: 22.Nov.2015
Status: offline
Someone suggested me to install latest CU (I have already had installed CU9, but CU10 was available). This solved 3 and 4, but 1 remains (AutoDiscover problem). Any ideas?

(in reply to ubuntu118)
Post #: 2
RE: Problems with Exchange services - 24.Nov.2015 1:02:58 AM   
ubuntu118

 

Posts: 4
Joined: 22.Nov.2015
Status: offline
I haven't made any changes in clients, including Outlook version.
Post #: 3
RE: Problems with Exchange services - 27.Nov.2015 11:41:59 PM   
ubuntu118

 

Posts: 4
Joined: 22.Nov.2015
Status: offline
Found answer to problem 1. Added "autodiscover" to DNS, pointing to exchange server (192.168.134.205 in my case).

(in reply to ubuntu118)
Post #: 4

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