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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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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 limit (retention age) determined for these types…
Greg Brennfleck
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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 I see is a blank page. /OWA is stable and…
Dan Desira
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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 to step 13 of 17: Mailbox role: Mailbox service…
emike09
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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 aswell after we migrated everything and only want…
Christian Schmitt
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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) services, disable the monitoring mailboxes, delete the…
Novox
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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 exchange auth folder I found this file there…
David Kent
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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 here so I have no direct experience in doing so. I…
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 and User C accepted meeting. They got update on…
Pathfinder
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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 send Anonymous mail(doesn't have mailbox) to…
saurabh sharma
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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 testconnectivity.microsoft.com which presents the following…
Exchange-Admin
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Why mails sent internally, disappear upon arrival?

I have a problem with internal mail flow. On one shared mailbox I have this issue, that when email is sent to it, some users don't get it. It's Microsoft Exchange Server 2016. I did use Test-Mailflow and was logged in over OWA, to confirm this…
Pathfinder
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What is the cause of Windows Server Event ID: 15021?

I have 4 identical Exchange 2016 servers. A little over a month ago, I renewed my wildcard cert on all 4 servers and assigned it to services IIS and SMTP -- on all 4 servers. Today, I noticed that one of the 4 is throwing Event ID: 15021 An error…
pmo051
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Exchange & Outlook 2019 AutoDiscover Fails

We have an internally hosted Exchange server on the company domain, domain joined clients are able to autodiscover our exchange server with no issues. We have a laptop that will not be joined to the domain but we still require access to the exchange…
KKlouzal
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Exchange (2016) many mailbox delegations and throttling policies

At a customers site with 20+ employees per team I get an outlook warning message roughly translated to "The amount of elements opened at once has been limited by the server administrator". The customers requirement is that each team member can…
Silberling
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Do new versions of OWA have an equivalent to the About page of OWA in Exchange 2010

Using the Exchange 2010 version of Outlook Web App (OWA) you could click the (?) button and then click About to get a really useful page containing information about the Mailbox server, Proxy server, Client Access server, etc. Is there an equivalent…
Kevin Morse
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