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Questions tagged [exchange]

Questions about any version of Microsoft Exchange Server or Exchange Online, Microsoft's email and unified communications server product. Because of tight integration with other systems, related questions may overlap with Active Directory, Office 365, and Skype for Business (aka Lync Server or Office Communications Server). Questions about Microsoft Outlook may be a gray area, with Super User as an alternative site to ask on.

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40 views

Very weird behavior when selecting “From” email address

We have a Universal Distribution Group entry with an email address - we call it udg@example.com. This item has two members [we call them MemberA and MemberB] which receive in their inbox emails sent ...
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2answers
3k views

Outlook and OWA search not working - no results

Our environment consists of a single Exchange 2016 CU8 server and multiple clients using Outlook and OWA. Searching (fast search and advanced find) both are not working in either OWA or Outlook ...
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1answer
2k views

Exchange 2013 - IMAP with Wildcard Cert - Error when Set-ImapSettings

Trying to get a wildcard cert working on Exchange 2013 for IMAP purposes. Unable to add in ECP (receives error about it not having a FQDN since its a wildcard) So then I try to run: Set-...
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1answer
19 views

How can I find the Windows Device Exchange ActiveSync ID?

When reviewing Activesync connection attempts for one user, I can see one connection initiating from a WindowsMail device, which seems to be a Windows machine with Windows Mail app. How can I ...
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1answer
39 views

Exchange: Universal Postmaster Setup

I have an exchange server and around 200+ accepted domains (managed service company). I would like to set up a catch all for postmaster@* I tried doing so via transport rules, but exchange seems to ...
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1answer
1k 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
2k views

Indexing Exchange Mailboxes with SharePoint

What options are recommended for indexing Exchange mailboxes with SharePoint? So far I have found the following: I found one article, which mentions that you can add http://<fqdn>/exchange ...
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0answers
15 views

How to Direct Exchange ports for to Exchange servers each server is diffrent domain?

I have 2 different exchange 2013 servers which i load between them by haproxy... i have a public ip address and i have a problem that is i cant redirect smtp,imap and pop3 ports to the servers at the ...
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1answer
2k views

Some Exchange server users can't send email from mobile devices

I am facing a strange problem. I have configured some users to use their mail box from their mobile devices and outlook using POP3 and SMTP connection. The problem is that they can receive emails but ...
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1answer
2k views

Exchange 2010 to/from 2016 mail flow

i just introduced an exchange 2016 server to our existing 2010 environment, the installation and configuration went well, but now i'm having a problem on sending and receiving an email from/to 2010 ...
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0answers
30 views

how to access “recover item folder” of archive mailbox?

May I know from the user perspective, is it possible for them to access "recover item folder" of their archive mailbox? I enable the archive mailbox for users, there is a "Recoverable Items 14 days ...
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1answer
1k views

Running exchange in read-only mode

After a move to new servers, an old exchange 5.5 server must be switched to read-only operation mode. I have tried putting limits in "message delivery->properties->Defaults" sending message size : ...
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1answer
2k views

Exchange Server EWS authentication configuration

How common is it for people to enable Basic authentication with Exchange Web Services? I am looking to connect to Exchange Server from an app running on Windows Phone 7 which only supports Basic ...
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1answer
2k views

Exchange 2016 401 Active Sync unauthorized

I have an Exchange 2010 server and have introduced an Exchange 2016 server in coexistence. Everything works but the ActiveSync. When logging into the Exchange 2016 Active Sync with a 2016 mailbox it ...
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1answer
927 views

ItemAttachment as EmailMessage

I am using journaling in Exchange 2010. I use EWS to get emails from journaling mailbox, but original emails are there as attachments. How can i get them as EmailMessge? Code i am using: ...
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3answers
29 views

Partial migration from Exchange to Office 365

I am managing a small business IT environment which includes an on-premise Exchange mail server. Now a few users would like to move to Office365 to be able to work from anywhere (emails + OneDrive ...
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0answers
18 views

User can't see .doc attachments in outlook/OWA from one specific user

We have Exchange 2013 in our domain, and one user cannot see .doc attached files from another specific user. If I send him .doc attached files, he sees it just fine. In the sender's outlook, the mail ...
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1answer
18 views

Hybrid on-prem connector - Won't validate - Backlog of emails

We're having an issue with our on-prem Exchange 2016 validating as a connector with our O365 portal, below error; 450 4.4.316 Connection refused [Message=Socket error code 10061] [...
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2answers
702 views

Exchange is crashing our domain controller

So here is an interesting problem. Over the past few days we have been migrating from an unreliable DC runnign server 2008 to a new DC running server 2016. We have moved ADDS, certificate services, ...
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1answer
3k views

ECP redirects to OWA in Exchange 2013 in coexistence scenario

There is a known problem described here ECP redirects to OWA in Exchange 2013 and here: Exchange admin center in Exchange 2013. In short If you’re in a coexistence scenario, where you’re running ...
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0answers
61 views

What's using my Exchange server to send email via SMTP?

We have two Exchange Servers (2016 CU9), EX-OLD and EX-NEW. There are various systems, processes, scheduled tasks and scripts in the business that send emails through our Exchange servers by ...
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1answer
29 views

exchange 2013 delete mails from folder

I wish to delete some error messages from the Syncronizations\conflicts folder of a specific customer. How can I do it using ECP or Powershell (EMS). I have administration rights
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1answer
23 views

How to use Veeam to recover locally-hosted Exchange mailbox alias to implement on Exchange Online

I've inherited an IT department after just 1 year in it, during which the 30-year sole-IT person retired, and his replacement, who hired me, left for a remote position. Shortly before he left, Veeam ...
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2answers
48 views

Anonymous User in O365 Mailbox Permissions

I was digging around in Microsoft Outlook for Mac and I noticed a strange user account when I was looking at the folder permissions. There is a user called "Anonymous" who supposedly has no ...
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2answers
2k views

Conditionally Rewrite Email Headers (From & Reply-To) Exchange 2010

I have a client who maintains Company A (with email addresses %username%@companyA.com) and they own the domain companyB.com however there is no "infrastructure" (no Exchange server) set up ...
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1answer
5k views

Exchange 2003 mail non-delivery (NDR), spam activity? events 7002 & 7004

Windows Server 2003 Small Business Server SP2 Exchange Version 6.5 (Build 7638.2: Service Pack 2) This network has been neglected and has been having email problems for years and was on many ...
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0answers
40 views

Exchange Server 2016 Domain not hosted in the same server conflicts with certificate

I couldn't find any information related to my problem, so I hope you can help me find out a solution for it. We are working with an Exchange Server 2016 in a company that has a domain in a registrar (...
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1answer
7k views

Exchange 2003-Exchange 2010 post migration GAL/OAB problem

I am very new to Exchange so forgive my newbie-ness. I've exhausted Google trying to find a way to solve my problem so I'm hoping some of you gurus can shed some light on my next steps. Please forgive ...
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1answer
5 views

Phishing/Spam using old MX record for direct sending which is circumventing Mimecast

We've been using Mimecast for email security for a few months now and there's been a dozen or so incidents where the phish/spam senders have utilized the old MX records to send directly to our Office ...
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2answers
4k views

Connecting to remote server failed with the following error message : The user name or password is incorrect

I am trying to connect PowerShell remotely to an Exchange server. This is to a separate AD Domain. (Connecting domainA to domainB) I can connect from domainA to servers on other domains just fine. I ...
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1answer
2k views

How to auto-cc a system email account any time a user creates an appointment

I will not bother explaining my full architecture or reasons for wanting this in order to keep this question short: Is it possible to auto-cc a certain email account any time a Exchange user creates ...
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2answers
39 views

How to add “Single” Multi-Roles Exchange Server 2016 to Exchange 2016 DAG - Two Nodes Servers (*Without HW load balancer)

How do I add existing 1 x "Physical" Microsoft Exchange 2016 multi-roles server to New 2 nodes Exchange 2016 DAG -Active Passive ? However, I do not have "Hardware Load Balancer" In more detail The ...
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1answer
2k views

Migrate Google Calendar to Office 365 Group Calendar

I have a Google calendar, with many hundreds of events, well into 2016. We have just begun to use Office 365 for Education. I have set up a Group in Office 365 via OWA so that all staff can see a ...
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1answer
54 views

Add sender to my exchange out of office mails which are sent via postfix with an empty sender

Out of office mails works internally but externaly the logs says : - it goes out of Exchange 2010 to go to Postfix (without any sender), - Postfix sends it out to the sender without any sender - the ...
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4answers
14k views

Outlook 2013 and Exchange 2016 “The connection to Microsoft Exchange is unavailable. Outlook must be online or connected to complete this action”

I just installed and get everything to work with my new Exchange 2016 server, but when i adding it to Outlook 2013 i autodiscover setup works and it says restart outlook. After restarted outlook i ...
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1answer
2k views

Exchange 2013 Hidden Forwarding Rule

Encountered a strange issue on Exchange 2013 that at this stage I think is potentially a bug. Essentially there was once a forwarding rule (implemented via PowerShell) in place for a User's mailbox ...
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2answers
63 views

How to check if Outlook can connect to Exchange from a script?

Is there any way to check if Outlook can successfully connect to Exchange from Powershell? I would like to schedule that script for logging purposes. After some research, I managed to cook up the ...
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1answer
2k views

User cannot book a room resource in Exchange 2010

Im having a problem with a specific user not being able to book a room resource. No error message is generated at all. The user attempts to add the room as a meeting resource and it simply doesnt ...
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1answer
22 views

Sendconnector for each Exchange a exklusive smarthosts?

I have an Exchange 2016 and installed a new Exchange 2019 (both mailbox role) next to it. Both work like expected, send and receive via smarthost. So far all mailboxdatabases (except testing DBs) are ...
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2answers
5k views

Email/Exchange/Office 365 - Postmaster Spam

I use Office 365 for email with about 30 people using 6 domains. I occasionally receive messages from the "Postmaster" saying that an email was rejected which was never sent. For instance: I ...
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1answer
3k views

External recipients in distribution group not receiving emails

In Office365, we have a distribution group, group@company.com, set up with the following members: internaluser1@company.com internaluser2@company.com externaluser@external.com (@gmail.com, for ...
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1answer
3k views

Resource calendar with approval sending approval emails with “No response required”

[Note: this appeared to be the most applicable Stack site to post this into - apologies if wrong] Strange situation. I've configured up resource calendar in Office 365 to act as a shared holiday ...
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1answer
4k views

Can't connect to Exchange 2016 with port 587 TLS

Hi everyone i'm having issues with SMTP notifications connecting on port 587 with TLS. Right now I have an internal Exchange 2016 server and all email works great. I have a few customers who have ...
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1answer
44 views

Upgrading to latest Exchange CU vs Applying “Security Updates” for currently installed Exchange CU

Hypothetical: a company has Exchange 20xx installed with CU8. They are skiddish about applying CUs, but will apply monthly updates for the Windows Server operating system, and "Security Updates for ...
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1answer
49 views

How can I push a whole-team recurring meeting to everyone's Exchange calendar?

We have Exchange Online, which we use from the desktop Outlook app and also various mobile apps. We do a monthly all-hands meeting, which is on our "All Hands" calendar. But people forget about it ...
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1answer
38 views

How can I forward Exchange emails to the Internet?

I have an Exchange 2016 server set and configured on a VM. The FQDN for the Send Connector is set as, '*'. This is so emails are Internet routable. Now, I need to have a forwarder in the DNS to ...
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1answer
2k views

What are the values of Exchange's XSHADOW and XQDISCARD commands?

Shadow redundancy is an Exchange-specific feature (beginning with Exchange 2010) that provides a measure of fault tolerance when relaying email messages with SMTP. The sending Exchange server sends ...
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2answers
979 views

Error connecting mobile device to Exchange - missing permissions

I'm having an issue connecting a mobile device to an exchange 2010 server for a single user. Using https://testconnectivity.microsoft.com I get the following error: The Exchange ActiveSync test ...
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2answers
1k views

How do I get a list of Dynamic Distribution Groups in Office 365?

In Office 365 Exchange how does one obtain a list of existing dynamic distribution groups? Is power shell required?
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1answer
4k views

AUTH NTLM Authentication Format

I am a student worker in Enterprise Systems at the university I attend. We are in the process of converting to a new version of Exchange. We are attempting to use telnet to track messages in our test ...