OWA, (Outlook Web App), is the current name for the webmail service of Microsoft Exchange Server 5.0 and later that comes included as a part of Microsoft Exchange Server or Microsoft Office 365.

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Exchange 2010 Redirect OWA http to https (was working, stopped after upgrading SSL cert)

I have a CAS server with a redirect for http://mail.contoso.com to https://mail.contoso.com/owa. Which was working great, but we upgraded our cert to a SAN and imported that, and while everything else ...
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118 views

After disabling OWA Light using Set-OWAMailboxPolicy, how can users who have set OWA Light as a preference regain access to OWA?

If I use Set-OWAMailboxPolicy -OwaLightEnabled $false -Identity Default to disable OWA Light, anyone who has gone in to display settings -> Outlook Web App Version and selected OWA Light is then ...
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596 views

S/MIME icon missing from OWA

I'm trying to test S/MIME with OWA (Exchange 2010, Outlook 2010). Now my research has told me that the control must be installed first. So as someone with admin rights, open OWA, click on All Option, ...
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252 views

Certificate errors on Exchange 2010 NLB CAS array server

On my Exchange server, I have two CAS servers in a CAS NLB array. I need to install a 3rd party SAN/UCC certificate on both of these servers for OWA. I generated the request on CAS1, submitted to a ...
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808 views

OWA 2013 - Direct access to html file without saving to disk

I've got a new installation of Exchange 2013 (on Server 2008 R2) and I've come across an issue that I'd like to get some feedback on. My users often receive emails with .html files on them and they ...
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143 views

Exchange 2013 OWA White Screen Out of the Blue

The OWA for my Exchange 2013 has been working fine up until today, now I get a white screen when I login. The ECP side works fine. I have restarted the app pool, the default web site, even the ...
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567 views

Exchange 2013 OWA empty calendar

We're in the process of moving an Exchange 2013 installation to another server as we have outgrown the old one. The new servers has been set up and all mailboxes have been migrated successfully onto ...
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74 views

Exchange: Calendar sharing only working in OWA, but not in Outlook - how to debug?

Here is an Exchange 2010 server working and we are accessing it via our local Outlook clients (mostly 2010, but also 2007 and 2013). I want to share my calendar with a co-worker (and vice-versa) so ...
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50 views

Exchange have disconnection Issue while using behind TMG 2010

We have two branch office but not VPN (Data Circuit) between them. We are using Exchange facility from another branch but we are having disconnection / slow issue as already set TMG alerts. Outlook ...
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199 views

Only One Remote PC Cannot Access Exchange via OWA or via Outlook

This is driving me crazy here. Our company has a hosted exchange server (which I have no access to). Right now, it seems to be working fine for everyone. Users can connect from both inside and ...
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59 views

server reset when accessing OWA externally

Just the other day I started having problems remote accessing email via OWA. I get server reset or page cannot be displayed. But the web page works fine. If I tried this over and over eventually I ...
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244 views

Cant find Forms Based Authentication Service

I installed Exchange 2013 on Windows Server 2012. After restarting the Host I could not login into owa or ecp the login screen showed up but after entering my correct credentials I would get a HTTP ...
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619 views

Create Custom User Theme for Outlook Web App (OWA) in Exchange 2013

I am looking for a way to create a new custom theme that users can select from the settings menu in their mailbox: So far I have found the following documentation: Create a theme for OWA However, ...
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1k views

Customize the Outlook Web App (OWA) Overall Theme in Exchange 2013

I am not talking about the individual user themes they can pick for their mailbox but rather the overall theme for OWA pages like login or expiredpassword, etc. So far I have found the directory ...
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110 views

How do I control access to “Public Groups I Own” in ECP in Exchange 2010

I need people to be able to edit the DLs that they own in OWA, but I don't want them to create new "Public Groups" (Distribution Lists). How can I audit or control this granular access right?
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50 views

Accessing a web site externally published through TMG from the internal network

I have a TMG2010 instance with 3 internal networks and 2 external networks (all on separate network cards). I have published Outlook Web Access via TMG using one of the external addresses. I want to ...
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92 views

Exchange contacts are missing in OWA

I'm working for an IT department at a university. I've got a user who's using Outlook 2011 on a Mac, and OWA. She has more than 700 contacts in her Outlook contacts (not under "On My Mac" or in ...
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259 views

Customizing OWA 2013 - Adding Links to the 'Suite Bar'

I am wondering if it's possible to customize the 'Suite Bar' in Outlook Web App 2013, as we can customize the same bar in SharePoint 2013. What I would like to do is add, for example, a Sites link to ...
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79 views

OWA dependant on Backup Domain Controller?

We have two domain controllers, HOST0 and HOST1. When HOST1 goes down, OWA is not available. When looking in exchange and running: Get-ClientAccessServer -Identity HOST0 | FL It shows HOST1 as the ...
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121 views

IIS/OWA is not handling new SSL Certificate

I recently created a new SSL Certificate and self-signed it via this tutorial. The new certificate showed up in the list of certificates. I then assigned IMAP, POP, SMTP & IIS to the ...
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795 views

OWA 2013 doesn't allow logins

We have recently migrated to Exchange 2013 and everything seemed to be ok. Users can access their mailboxes via Outlook and via ActiveSync on their phones and OWA was tested and working. However this ...