Outlook is a standalone or groupware client for Microsoft Exchange. It is used for Email, contacts, tasks and calendar.

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554 views

Outlook Change Password Prompt - What enables this, and what do I put for Exchange Server?

One of my end users sent me this screen, which is obviously indicative of an expired user password I'm unable to replicate this in my lab, nor do I know what value to put in for Exchange. (is it ...
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368 views

How do I clear cached SSL state data from schannel?

I'm trying to clear SSL state data for a normal TLS session (no client certs are involved) for Outlook when connecting to a SSL based CAS server. How do I clear the SSL state of SChannel? Does the ...
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21 views

Publishing Outlook Calendars. What is the server-side setting for sync frequency?

I'm working on a custom implementation of a server (VERY basic WebDAV) that accepts Outlook's published calendars. Outlook seems to have a setting (see the screenshot below) where it accepts a ...
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63 views

How to prevent users from bypassing certificate warnings in Outlook

I had a case where a roaming user was connected to a public WiFi and got a certificate warning. The user saw the error and called me before connecting. Turns out the WiFi was doing SSL inspection. ...
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435 views

Outlook sets wrong “Date” header

When sending new emails, the date header is not set in UTC +0100. Problem occurs on every client (WTSx5) and with different Users. The dateheader: Date: Wed, 1 Oct 2014 09:10:05 +0000 To the ...
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533 views

PST Capture 2.0 won't install

I am preparing our organisation to migrate from an ISP hosted e-mail account to MS Exchange Online hosting. We need to migrate existing mail into the new accounts before doing the final switch over. ...
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417 views

Outlook, Webdav Calendars, and Internal DNS

I wish I knew a better way to title this problem, so if anyone can think of a more appropriate title, please let me know. I've been banging my head on this problem for a little while, and usually I ...
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355 views

Messages showing distinguished name Exchange/Outlook 2010

We are having a strange issue. We have a user who is having their sent messages showing the full DN instead of their email address when sending internally. This is on Exchange 2010 which was upgraded ...
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193 views

Listing users in a distribution list when using mail enabled security groups

Exchange Server 2010 I am in the process of migrating to using mail enabled security groups to populate mail distribution groups. I would like to hide the groups from being listed. So far I have ...
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21 views

Outlook shows only none and full access for calendar with delegated ownership

Using Outlook 2010 and Exchange 2010 (I am unsure of the service pack levels as I write this): We have users Albert and Beth. Beth wants Albert to be able to give others in the organization access to ...
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105 views

Should I disable the Nagle Algorithm for Outlook / Exchange RPC/HTTP communication?

I'm investigating reasons why several Outlook clients in non-cached mode are having delays communicating... resulting in Outlook hanging. My suspicion is that a Netscaler, or intermediate device (? ...
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90 views

Outlook 2013 (connected to imap accounts) with mandatory profiles on Server 2012R2 RDS

Windows 2012R2 RDS and Outlook 2013. Mandatory Profiles with folder redirection to users Homefolders. Anyone have any ideas on using outlook (connected to imap mail accounts) with mandatory profiles....
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257 views

Outlook Disconnected, user fixes by clicking work offline twice

We have: - Exchange 2013 SP1 - Outlook 2013 SP1 (10 users) - This is a migrated installation, issue was not present before server migration. - All users are inside the LAN and connected with basic ...
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63 views

the delivery report includes the original letter

We have installed windows server 2008 R2 Enterprise and Microsoft Exchange 2010. The clients use Outlook from Microsoft Office 2010. if we use POP3 protocol between exchange and user then the delivery ...
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131 views

HowTo enforce SHA512 in Outlook 2010 (and above) for S/Mime?

When you setup S/Mime in Outlook 2010 you can also choose the hash algorithm as seen here: Can we control that via GPO? I would like to disable all the other options if possible.
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335 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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318 views

Configure Calendar time scale to 15 minutes in Outlook (via Group Policy)

Outlook by default allows users to book meetings in 30 minute increments; this can be manually changed to allow 15 minute increments (Change the calendar time scale). I need to deploy/control this ...
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109 views

Exchange 2013: shared mailbox very large

I have an Exchange 2013 server with a dozen users. These users are using a shared mailbox for sharing all communications in nearly a thousand subfolders for a total of about 20GB. Unfortunately, the ...
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903 views

Outlook connected to exchange does not send email

I have multiple machines with Outlook 2010 connected to RackSpace hosted exchange server. Everything works fine, but emails send after a while since outlook started will not leave the outbox. Clicking ...
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89 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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459 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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353 views

Backup exchange to PST without New-MailboxExportRequest

I've been tasked with archiving the contents of 300 mailboxes to PST on an Exchange 2010 environment. However, the exchange administrators are being annoyingly overprotective and not allowing me to ...
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1k views

Outlook 2011 Errors

Could not synchronize record: Undeliverable: {TITLE} to Exchange server: {NAME} Operation would change object type, which is not permitted. Error code 19759 Would clearing cache or readding the ...
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22 views

Adapt translation of “available” for Outlook Calendar system wide, e.g. via Exchange Server?

I want to change a single string (translation/resource) in the Outlook Calendar. The default Calendar-status "available" in Dutch is called "vrij" by Outlook. The Outlook usage would translate as "...
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192 views

Outlook 2010 and 2003 DFS

I've been fighting this issue for days and cant seem to find someone else with a similar issue. We rolled out 42 Dell Precision T3500 computers with Windows 7 64bit and Office 2010 64bit. Since that ...
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268 views

Error synchronizing folder

One of our users reported that Exchange sometimes sends an e-mail about a synchronization error: 15:46:33 Synchronizer Version 12.0.6670 15:46:33 Synchronizing Mailbox 'ITC Training Coordination' 15:...
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422 views

Can no longer open links from Outlook 2003/2007/2010 to NAS fileshare following NAS migration

Earlier this year we moved from an EMC Celera NAS to an IBM XIV. We use mapped drives to map to an area a few folders down from the root. Following the change of NAS users reported the inability to ...
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453 views

Outlook periodically/frequently prompts for login credentials after migration to new mail server

We are experiencing a problem after migrating to a new mail server where users that connect to the mail server through Outlook (using IMAP) get prompted periodically/frequently for their username and ...
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87 views

AD photo shows up when hovering over an Outlook 2010 contact, but not in the social connector

My problem is probably illustrated best by examining the following picture: Screenshot on imgur As you can see, I set a picture in AD which shows up fine when hovering over a contact in Outlook 2010....
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253 views

Windows SBS 2008 domain, Outlook 2007 calendar sharing / appointments not synced

A user on this network reports not being able to delete appointments on Outlook 2007 calendars that are shared (not delegated) with other users in the domain. Specifically, the delete appears to work, ...
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193 views

Outlook 2011 saves to draft instead of sending

Every now and again, (once a day for some users), emails get saved in the draft folder and not sent. There is no message to show this when it happens, just a few hours later, you notice unread ...
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124 views

Accessing Outlook Address Book

I have a Delphi XE app and I'd like to pop up the address book dialog that Outlook uses from within my Delphi app - I assume there are COM classes to support this? What's the best way to get this done?...
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137 views

Problem with Exchange 2010 server and Outlook 2010

I needed some information from my work email. So I connected to my work desktop from home, went on my work outlook and i needed to download 2 outlook data tsp files. I did so, then imported them to my ...
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79 views

Exchange 2010 and Office 2010 for PC and Mac OSX

We are looking for a way for a group of people to have access to a Mailbox (easy part, open shared mailbox in outlook for PC and for Mac - Add additional account on Mobile Phones etc). We want the ...
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213 views

Permissions required for Outlook / Exchange conference room management

In outlook, when scheduling a meeting, I can see the attendees of any meeting that I schedule. Is there any way to see the attendees/organizers for meetings that are scheduled in common rooms (...
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877 views

Stop Outlook from acting on IMAP Alerts

I have an IMAP server which sets an "account approaching quota" alert when an account is above 85%. For the majority of our users who are using Thunderbird, this works great as they receive the ...
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135 views

Exchange 2010 Losing Customized Views in Outlook Clients

Has anyone seen a case where Exchange 2010 resets end-user custom views back to the defaults? I have a user who has tricked out their profile with (server-side) custom views, mostly for To-do items ...
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238 views

Outlook/Exchange message stuck in outlook on one subnet and not others

Got a user who travels back and forth from two locations (192.168.2.X and 192.168.3.X) and works remotely on two subnets and a basic windows PTPP VPN when on the road. Uses Outlook 2007 with Exchange ...
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185 views

Outlook items suddenly disapears from inbox after synchronization

We had some disk problems on Exchange server. We had to fix the Exchange 2007 using eseutil. Everything works fine with the exception of the following problem with one e-mail account. All inbox ...
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202 views

Google Apps Premier - Viewing shared calendars in outlook

We currently migrated from exchange to Google Apps Email and have been having issues when it comes to viewing shared calendars from within Outlook. Users are able to view other calendars from within ...
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56 views

Exchange: Logging sending mail on behalf of

I've set up access to another mail account for some users, however, I'd like to know who sent mail from/as that account. Is this possible? Example: user1@myorg is granted full access to the mailbox ...
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1k views

Tracking down source of duplicate email messages in Outlook / Exchange environment

I have a few users, who are also Blackberry users, that occasionally have duplicate emails generated from their "mailbox". I put mailbox in quotes because I'm not exactly sure where the duplicates ...
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17 views

Postfix vs stunnel relay but outlook client can't sent

I have a problem after setup postfix vs stunnel is relay host: client outlook --->[postfix:25 relay to stunnel:1125]--->smtp.vt.com.vn:465 I can sent email via postfix with telnet command but ...
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12 views

MAPI + Outlook - disable attachment convert

We use MAPI call to open new mail message dialog. We add the information as a HTML attachment. The Thunderbird and Opera preserve this attachment in mail editor dialog, but Outlook tries to convert ...
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36 views

Exchange 2013 + Outlook 2013 - Password prompt for On-Premise users when opening O365 Calendars

We have a hybrid setup with Exchange 2013 and O365, dirsync and ADFS are configured and working correctly, end-users have Outlook 2013 running on 2008R2 RD Servers. Mail-flow and migrations are ...
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12 views

Outlook 2010 only imports first event in merged ICS file?

Our corporate secretary creates about 15 .ics files each year for our stat holidays and wanted to at least simplify the process of adding them to each users' calendar. I used a utility I found online ...
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15 views

Exchange 2010 Autodiscover/Anywhere cert error

*Inherited network so be nice ;) Exchange 2003 Exchange 2010 mail.domain.com -> 2010 autodiscover.domain.com -> 2010 mx -> barracuda/2003 barracuda forwards SMTP to 2010 both servers have valid certs ...
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42 views

Exchange 2010 server on VM not working with Outlook

I'm working for company that has nobody who knows anything about Exchange, AD and anything Microsoft. And we have couple of products that work with Exchange so we need to have test environment to be ...
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50 views

Outlook connectivity issues

It is Exchange 2013 environment with outlook 2016. Some computers are in domain some are not. Computers out of domain work just fine, but those in domain have this problem once a day at random time: ...
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7 views

Change address Book/address List Order in Outlook 2013

I'm looking for a way to automate Outlook 2013 Address Book's Address list order settings on multiple clients through a script or GPO. So far, my research shows that this is not possible with GPO, so ...