Questions tagged [exchange-2016]
Microsoft Exchange Server 2016 is the latest release of Microsoft's email and calendaring server software.
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Exchange 2016 returning 550 5.7.1 when sending to our domain using 3rd party email sender sending on behalf of our domain
We have an on-premise Exchange 2016 server. Mail flow is normal. However, recently we started using a 3rd party email service to send out our newsletters (Klaviyo). When we send out campaigns our ...
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Odd behavior between Outlook client-based automatic reply forwarding and Exchange Powershell
At my current company we're running an on-prem Exchange 2016 email server, and when we have to manage email forwarding for employee absences in certain departments that need coverage, we have users' ...
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Error install exchange 2016 coexistence with exchange 2010
When installing exchange 2016.
Error: step 7 of 14 mailbox role: Transport service
The following error was generated when "$error.Clear();
if ( ($server -eq $null) -and ($...
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Outlook 2016 cannot logon to Exchange 2016 after upgrading Office from 2010 to 2016
The environment:
Single domain, two Windows Server 2012 R2 domain controllers, one Exchange 2016 CU23 server and Windows 10 21H2 clients. Environment is offline, NTLM is disabled and clients ...
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2
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Map Mailbox object and MailboxStatistics object and ReducedRecipient
There is three cmd-lets in Exchange EMS:
Get-Mailbox - returns object type [Mailbox];
Get-MailboxStatistics - returns object type [MailboxStatistics];
Get-Recipient - returns object type [...
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How to detect Basic authentication as fall back auth method - Exchange 2016 on prem + Azure MFA
we have configured Azure MFA in our Exchange on-prem 2016. Unfortunately, the MFA control can easily bypass by using an old email client (Outlook 2010 for example). This is a known issue and the ...
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mail relay routing FROM domain with dkim
Current setup
First of all i must say that im so so (read like "nothing know") in things like postfix or open dkim.
We have many domains on our exchange (realy a lot). and thats work like &...
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How to disable an Exchange 2016 mailbox and forward anything sent to it
fyi i would consider myself an exchange-noobie
Ok, the scenario is:
User left the company, but still gets a lot of mails sent to their mailbox. The AD User-password has been changed so they no longer ...
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Exchange Server CU Update
I am planning to migrate our current Exchange server 2016 CU19 (Hybrid Setup with MS365) to Exchange server 2019. Do I still need to install CU11 on the current exchange server 2016? Thank you.
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Outlook 2016 on Exchange server is not processing rules
Someone has asked me to help with his exchange server in the office,
however I am a network administrator and not really experienced with
Windows and Exchange.
Problem here is that they have a set of ...
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Exchange 2016: high amount of send connectors problematic?
On an Exchange 2016 we would like to configure different security settings for approx. 250 Domains (Limit non delivery reports to these). A solution might be to configure a separate send connector for ...
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460
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Powershell Where-Object Not Filtering Expanded Property
I am trying to get a list of all email addresses that we have registered in our on-prem Exchange but I want to exclude all of the X400 type addresses. I have tried all of the following commands:
Get-...
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2
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639
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Sending SSRS reports to distribution groups
We have been using 'distribution groups' to send SSRS reports because they are easier to manage, but the reports are not being delivered when 'Senders inside and outside of my organization' is not ...
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4
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Exchange 2016 CU23 giving error "upgrade the discovery mailboxes to R5 version"
We have a hybrid 2016 Exchange setup that needs cumulative update 23. I have been stuck on this same error for some time now. In my research I have found that the issue has to do with needing the ...
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Account audit events on DC's for Exchange and SharePoint
I recently discovered that all of our Domain controllers are no longer logging AD account logon events (Outlook Web App login - SharePoint Login) to the Security Log. But it works for RDP.
How could I ...
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Changing DAG network
We have a separate DAG replication network than the MAPI network for our exchange 2016 pair. We want to get rid of the separate DAG network and use the same MAPI network for replication.
How do we ...
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Email disappearance on Exchange
I have an issue with the disappearance of emails, from the particular mailbox. I have one mailbox and it has a security group on it.
Emails disappear when it is being sent from internal users usually....
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Exchange DAG seeding operation fails with I/O error
we are getting below error on some of our database wheh we try to create/update a database copy:
The seeding operation failed. Error: An error occurred while performing the seed operation. Error: An ...
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2
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Exchange 2016 - new Databases and Migration
We are running Exchange 2016, 14 Databases currently running on drive letters. We want to move to mount points, and as part of this, create new DBs and migrate all mailboxes (as this will also clear ...
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Exchange Server Autodiscover external URL
All.
I am nearing the completion of the setup of our Exchange Server. The process has been a challenge, but I have enjoyed learning new things.
What I am working on now is setting up the autodiscover.
...
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How do I migrate my Exchange 2016 from Windows Server 2012 R2 to Server 2016?
I have Exchange 2016 CU22 installed on a Windows Server 2012 R2 Hyper-V VM. I need to migrate that Exchange to a Windows Server 2016 VM. There are about 80 mailboxes totaling about 1.2TB. We have ...
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3
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Sending Mail Fail with NDR '554 5.2.0 STOREDRV.Deliver.Exception:ObjectNotFoundException'
there is a problem in sending some mails to one user, some random mails sent normally to any recipient expect one user, which return a NDR as follow
Remote Server returned '554 5.2.0 STOREDRV.Deliver....
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Exchange mailbox stopped syncing on mobile - work with a weird behavior
Workaround found -
I'm encountering a weird issue on Exchange Server 2016 on premise.
2 users of my Active Directory base stopped receiving new email on mobile (Outlook Android client), but email are ...
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How does Microsoft Exchange determine which mailbox database a mailbox is in upon authenticating via POP3?
Performing a Microsoft Exchange 2010 to 2016 migration and everything is ready for transition besides this one problem.
I have an internal CNAME DNS record mail.domain.tld that is pointing to the ...
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Postfix unable to authenticate with Microsoft Exchange (No credentials were supplied)
I want to setup postfix on my nagios server to relay emails to our Microsoft Exchange server and I am running into issues with authenticating with Microsoft Exchange.
Specifically I am getting this ...
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613
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How can I find out which computer on my network is logging into Exchange 2016 and at what time
Recently, multiple employees have come to me saying that their exchange accounts were breached over the time span of a few days. I have a theory that there is some form of worm on one of the computers ...
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113
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How can I invalidate all user logins on Exchange across all browsers, devices and machines?
I believe multiple of the user accounts on this exchange server to be compromised. I have already reset the user passwords of the affected accounts, but I want to be certain that any session that was ...
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2
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296
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Inbound SMTP not working
I am in the process of deploying and configuring an on-premise exchange 2016 server. My inbound/receive connector is not working. When I telnet into my server on port 25 from a computer on an external ...
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543
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Exchange Server 2010 to 2016 migration
A small company I am working for has a self-hosted Exchange Server 2010 running, and my job is to migrate this server to an Exchange server 2016, since the old one is out of support for quite a while ...
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Exchange. How to forward mail, not save it
We are migrating mail from one of our domains to the exchange (123123.com). We created users in AD, created mailboxes for them and copied mail from Google there. Also the domain was added to accepted.
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OWA 500 error, ECP works fine
I'm getting a 500 error after logging in to OWA. I enter the credentials on the sign in form, it redirects to the frowny face with error 500. More details just shows my server name and the UTC date/...
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Automate the creation of secondary mailbox in Outlook 2016
I allow myself to do this post in order to have your help.
I am currently looking for a solution to automate the addition of a secondary mailbox in Outlook 2016.
I saw a lot of stuff including the &...
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Error Hostname DOES NOT VERIFY - Test certificates TLS Exchange 2016 cu21
Practicing with the certificates, in let's encrypt win-acme normal is created, I send and receive normal mail, https in owa and the other services
Testing with checktls, it gives me an alert message :
...
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Change Internet facing IP for Exchange server
I have to change Internet facing IP for Exchange server 2016 CU21.
We use pfSense as a routing solution, on which New Gateway is set - New ISP, works withouth issues. Upstream Gateway set on x.x.x.161/...
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Switching from self-signed certificates to commerical TLS/SSL cert: will it work the way I expect?
New to the world of commercial certs, thanks in advance for any advice/guidance.
Our only outbound service is email, hosted on MS Exchange 2016 (2019 in medium-term future).
Internally we have several ...
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Exchange 2010 to 2016 (Multi Site)
My scenario:
Datacenter #1 — AD Site “A”
* -4 ISP internet connections. (Outbound independently)
* -2 DCs GC (FSMO) Internal DNS
* -2 DNS Servers - External DNS hosted into a DMZ (SPF / MX / PTR ...
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Hide Unlicensed Account in Microsoft Teams Search - OnPremise Exchange
We have about 500 AD user accounts and 300 email mailboxes - 200 of which have a Teams account.
We are currently still using our on-premises Exchange 2016 server for all email accounts.
When searching ...
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Duplicates are being imported into Exchange Mailboxes
I am using the New-MailboxImportRequest to import .PST files into existing mailboxes. These mailboxes have emails in them that are also included in the .PST file being imported.
The import request ...
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540
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How is the age for public folder calendar, task and contacts determined?
We are running Exchange 2016 on premise and the upper management wants to set an age limit for public folders. We have a lot of public folders with tasks, contacts and calendar items. How is the age ...
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In an Exch 2016/EXO hybrid deployment, should a telnet message test on prem be considered internal
I have inherited a hybrid deployment between Exchange 2016 on prem and Exchange online. One of the first things I had to do was turn of centralized message transport, as it was adding two unnecessary ...
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Exchange 2016 ECP failing - 503 Service Unavailable
My Exchange server is really suffering at the moment. I do not know what has happened but when I connect /ECP I get 503 errors. I can view the login page successfully, but after a successful login all ...
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753
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Error: Exchange 2016 Unable to install CU19 Update
We have a hybrid Exchange environment that I'm trying to patch up. We're currently running CU16, and I've tried upgrading to both CU18 and CU19 with the same errors.
During installation, it makes it ...
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exchange hybrid, management server do I still need HCW/Agent?
we currently migrated all our mailboxes into the cloud and want to keep one single exchange server (a pretty clean one) after our migration. do we still need the HCW Hybrid Agent or can we remove it ...
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Exchange 2016 - Huge ClientAccess OWA & Perm Folders
Running an Exchange 2016 server currently with CU19.
I have noticed over the years of CU's been applied that the Exchange Server\V15\ClientAccess\OWA folder has grown in size (Currently 9Gb in size, ...
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Exchange 2016 won't recreate HealthMailboxes for Monitoring
I needed to repair some corrupt Monitoring HealthMailboxes. I've followed the instructions from numerous articles indicating I should stop the Microsoft Exchange Health Manager (and Recovery) ...
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Found errorEE.aspx Web Shell in Exchange 2016 auth folder
So recently Microsoft published this document:
https://www.microsoft.com/security/blog/2021/03/02/hafnium-targeting-exchange-servers/
They mention a web shell called errorEE.aspx and when I checked my ...
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2k
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MS Exchange 2016 CU19 Update Error: The operation failed because UPN value provided for addition/modification is not unique forest-wide
I am trying to update exchange to the latest CU.
We have a hybrid setup with O365 and since we barely use the server we have fallen behind on updates.
The last time it was updated was before I was ...
user1281654
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Outlook 2019 Calendar wont sync updates
I have an issue on some users with Outlook 2019, which Calendar won't sync updates on meeting.
Outlook is connected to Microsoft Exchange 2016 On-prem.
So, meeting was created by User A, and User B ...
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Only allowing Limited Set of Anonymous user to relay emails to external address in Exchange Server 2016
My requirement is slightly different from this question : Only allowing authenticated user on host to relay emails to external address in Exchange Server 2013
We are using Exchange-2016 and need to ...
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2k
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Issue with Autodiscover and external mail communication
I've got a problem with the initial configuration of an Exchange Server 2016. Sending/receiving internal emails works but not to/from the oudside. I tested the inbound SMTP mail flow with ...
