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: 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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144 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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1answer
70 views

Exchange 2010 - Remove AD User, Keep Email

We have a normal active directory user synchronized with an exchange mailbox. Is there anyway to keep the mailbox & all the email, but remove the active directory account, or prevent the active ...
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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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1answer
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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1answer
51 views

Move OWA to new URL

I have a single Exchange 2010 server running all roles. OWA is currently configured for the url https://owa.currentwebsite/owa I'm trying to work out how to move OWA to https://owa.newwebsite/owa ...
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1answer
100 views

OWA Exception message: Cannot submit message

One of our user was trying to send a message to two externals recipients from OWA. The message wasn't sent, and an error message popped up in top of the window : Request Url: ...
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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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2answers
2k views

Outlook Exchange 2010- OWA/Outlook Client issue [closed]

Would there be a obvious reason why users can access OWA to receive email but they get a disconnect error on their Outlook client? Things I've done: Restarted/Checked all Microsoft Exchange ...
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1answer
569 views

Where does Microsoft OWA 2013 AutoComplete cache get stored?

In outlook the auto complete gets stored in *.NK2. Where does it store for OWA 2013 ? Some people saying that it gets stored on exchange server within user email account. Is there a way that I can ...
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1answer
52 views

OWA 2010 calendar is it possible to get the 2003 week view back or customize it?

In OWA (Exchange Outlook) 2003 calendar, there was a week view, which was a simple list type view, showing the day, time, and details. In OWA 2010, this is gone and the week view shows a more ...
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1answer
62 views

Url for search withing Exchange Server OWA

I can easily create url for searching the Internet for specific term: http://www.bing.com/search?q=example Is is possible to create a similar url for searching my Exchange server mailbox using ...
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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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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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201 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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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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1answer
597 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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1answer
1k views

Exchange 2013 missing dependencies

After installing KB2880833, ecp and owa seem to be broken. When visiting the ecp Web site, it shows the following error: Could not load file or assembly 'Microsoft.Exchange.Security' or one of its ...
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2answers
68 views

Email disappears in OWA [closed]

i have an hosted exchange 2013 server, with 2 emails address configured in POP on thunderbird. But my email disappears in OWA after reading them in thunderbird. Why?
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1answer
208 views

Email attachments not appearing under very odd circumstances

One of my employees is having trouble sending mail with attachments to an external party. We're using Outlook 2010 in conjunction with Exchange 2010 Standard. Here's what I've deduced so far: ...
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568 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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1answer
212 views

Can I customize the “Office365” link in Outlook for Office365?

In the webclient for Outlook in O365, there is a link in the upper left-hand corner labled "Office365." Is there any way to customize the url?
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1answer
35 views

Outlook Web App - edit HTML for accesibility

In my office we must use the Outlook Web App, instead MS Outlook. I would like to edit the HTML message to include some accesibility help for the clients, because they are blind and they work with ...
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1answer
256 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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1answer
1k views

Find out if user logged in to OWA / read his emails

Is there a way to find out, what is the last time a user logged in to OWA? (Actually, it would be even better to find out, if he read his emails, but I don't think that's possible.) If there are logs ...
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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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621 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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1answer
121 views

Exchange Server 2010 mailbox not working or changing password

This has given me a immense head ache all day. I have a AD user that I have changed the password for, but the mailbox password won't change. I cannot login to that mailbox at all.. I've tried ...
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1answer
371 views

Trying to access OWA via http://servername/ forwards to https://webmail.domain.com/owa… Where is this configured?

Basically my issue is spelled out in the title... I'm trying to enable access to OWA for internal users via the server name directly, which worked fine when we had Exchange 2003, but with my Exchange ...
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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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1answer
503 views

Exchange OWA 2010 signature policy

I have an Exchange 2010 environment. For Outlook (desktop version) we have a script setup in Group Policy to push out standardized signatures across the organization. I want to do the same for OWA, ...
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2answers
2k views

Exchange 2010 OWA authentication using email address (not UPN)

I've set up a new Exchange 2010 server and have OWA working. However, we're having trouble using email addresses as the user name. Our AD domain is company.local, but our email addresses are ...
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796 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 ...
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1answer
811 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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1answer
3k views

Access OWA via http://servername/exchange?

In Exchange 2003 I could access my mailbox via http://ex2003/exchange. First of all, I'm not sure if this is possible in Exchange 2010. If it is, it's not working currently. Our external OWA URL is ...
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1answer
2k views

Allow user to log into OWA but not into any domain PC?

I am attempting to create an account for an external contractor so that they can have an @domain.com email address and access that from OWA, but not log into any server or PC on the domain. I've ...
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1answer
856 views

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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2answers
5k views

Exchange 2010 - EMC and OWA non-functional after unexpected server reboot

Problem: Can't connect to OWA or the Exchange Management Console/Shell on our Exchange 2010 server (Server 2008R2 VM). Background: We have an Exchange 2010 VM (ESXi 5.1) we're "in the process" of ...