Questions tagged [exchange-2016]
Microsoft Exchange Server 2016 is the latest release of Microsoft's email and calendaring server software.
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Error sending and receiving emails in Exchange 2010 and 2016 coexistence
These are the versions of the exchange servers:
Exchange 2016 CU23 - 15.1 Build (2507.6)
Exchange 2010 SP3 - 14.3.0513 Build(123.4)
The problem is sending and receiving emails in Exchange 2016.
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1
answer
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Outlook client fails to re-open with Exchange 2016 on prem
History
We are migrating Exchange 2010 to 2019. We are at the middle point with Exchange 2016 and 2010 is still running.
Environment
Server Environment
Active Directory Domain Level: 2012R2
Domain ...
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0
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83
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Enabling and Setting an Exchange Remote Mailbox using EWS or Graph via API call
I work for a higher Ed organisation and currently we onboard new students to Active Directory and Hybrid Exchange with Powershell scripts.
I am bascially seeking to automate and move the process to a ...
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1
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69
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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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2
answers
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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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3
answers
151
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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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1
answer
438
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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
answers
113
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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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1
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72
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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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1
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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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723
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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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2
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46
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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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1
answer
229
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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 ...
- 237
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1
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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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2
answers
542
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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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3
votes
2
answers
754
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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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1k
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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 ...
1
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2
answers
241
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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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2
answers
742
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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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1
answer
204
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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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2
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1k
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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
answers
372
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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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1
answer
1k
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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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2
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1k
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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
answers
12k
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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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3
answers
478
views
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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1
answer
297
views
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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0
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2k
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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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1
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680
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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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1
answer
131
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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 ...
0
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2
answers
361
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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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1
answer
606
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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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1
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107
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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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1
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3k
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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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507
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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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2
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2
answers
468
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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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1
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1k
views
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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1
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73
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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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0
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257
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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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1
answer
3k
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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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1
answer
699
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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 ...
0
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1
answer
586
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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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1
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254
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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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1k
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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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2
answers
832
views
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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1
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120
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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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1
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4k
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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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1
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2k
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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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841
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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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2
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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 ...
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