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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 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 error occurred while processing a request on…
Shofi
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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 down any corruptions, white space etc.) When…
Osyrus Solutions
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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. I cannot find any good information on properly…
Wayne Barron
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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 about 200 mail flow rules. Eventually this will be…
Blaine Sherman
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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 OK in OWA or Outlook PC client.  I did the…
alinter8
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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 Exchange 2010 server 192.168.0.10. The Exchange 2016…
qroberts
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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 within the domain that is periodically sending…
Stillkill
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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 authenticated using the old credentials is…
Stillkill
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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 network, I get: 220 Row3Exch.Slowservers.com…
Jacob Harrand
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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 now. I know that Exchange 2016 and 2010 can…
Martin
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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. Now other users of other domains from the…
Epigraphe
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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/time (I am -6 Central). However if I modify the URL…
Tim
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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 "zeroconfigexchange" registry tool however I failed…
Yarka
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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 services with browser interfaces. Most of these…
SKaye
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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 for a user in Teams, the unlicensed accounts are…
Daniel4711
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