Exchange Server Management

Increase the attachment's size in Exchange 2016

Dear guys, I have an Exchange 2016 on-premise server and would like to increase the attachment's size of users' emails to 100 MB. We did some research and followed but still got the error "The following files weren't attached because adding them…

Exchange 2016 - IMAP/POP not working

Hello, I have Exchange Server 2016 configured on Windows Server 2019. I have a FortiGate firewall and FortiMail between the firewall and the Exchange server. The incoming ports are configured as 25,465,587,993, 995 to FortiMail. The send connector is…

Why does MSExchangeHMWorker.exe use clearTex and how can I solve this issue?

Why does MSExchangeHMWorker.exe use clear Texen and how can I solve this issue? This log is related to this service: LogName=Security EventCode=4624 EventType=0 ComputerName=******* SourceName=Microsoft Windows security…

Changed Exchange 2019 DNS MX Records for Spam Filter Service and Exchange Active Sync Now Fails

We have an on-premises Exchange Server 2019.  Everything was working fine until we got an external spam filtering service.  We changed our MX records to point to the spam filtering service, and then the filtering service sends the emails to the Exchange…

Changed Exchange 2019 DNS MX Records for Spam Filter Service and Exchange Active Sync Now Fails

We have an on-premises Exchange Server 2019.  Everything was working fine until we got an external spam filtering service.  We changed our MX records to point to the spam filtering service, and then the filtering service sends the emails to the Exchange…

OoO - DistributionGroup Setup

Background: I’ve been exploring how to set up a distribution group in Exchange to receive Out-of-Office (OoO) messages from its members. …

Migrate Hybrid Exchange from 2010 to 2016

Hi, I am currently in the process of planning our Exchange migration from Exchange 2010 to Exchange 2016.. We use Exchange in a hybrid configuration. I am looking for some advice. We do not have any public folders. We have a single on prem domain and…

Help with not receiving emails in Outlook account synced with Gmail

Since July, I haven't received any new emails in my Outlook account synced with my Gmail account. It has been at least two weeks since anything has come into my account. My Gmail account is m***@gmail.com, and I used to have a Hotmail account…

Exchange 2013 deploys WAF, Outlook client cannot connect

Exchange 2013 deploys WAF, Outlook client cannot connect，other clients are ok.error:RPC server unavailable

OWA view RMS email issue

The envirome is Exchange 2013 and local RMS server enviroment. here is the test steps to reproduce issue: create a new test message from outlook 2016, email add rms permission, such as "not allow forwared" send this rms message to another…

SMTP AUTH Modern authentication in managed devices

Hello, Our application is distributed by admin to numerous devices, which are then expected to function based on input policy/configuration. With deprecation of Basic login in SMTP Im having hard time finding correct new way of setting up local email…

Whether the schedule sharing message is correct

enforce restriction

Hi All i have room mailboxes in the below format in csv file. i want to enforce restriction and only user1 & user2 should be able to book the room. is the below syntax correct. EmailAddress room1@contoso.com room2@contoso.com $rooms = Import-Csv…

Exchange On Prem shared smtp domain loop

We have 2 AD domains with 2 exchange 2016 organization which shares the domain.com smtp domain, we're migrating from domainA to domainB. We set up the 2 exchange domains to share the domain.com by adding it as accepted domain on both the organization as…

Issue with SMTP email addresses for scanners causing occasional scan-to-email failures

We are currently facing an issue where scans sent via email from our scanners occasionally do not reach their destination. These emails were configured by a colleague using an older method, which the mail address does not appear in Exchange Manager under…

What happens if I don't rerun the hybrid configuration wizard after adding an Exchange 2019 server in an existing 2016 exchange hybrid environment

I am looking at upgrading to Exchange 2019 but I need to know if installing a new 2019 Exchange server in an existing 2016 hybrid environment will break anything. I do plan to later on run the HCW, but we want to test things before cutting over. Will…

Exchange Database are in unknow state (Exchange server 2019)

I have two Exchange servers (EXG-01 and EXG-02) configured with a Database Availability Group (DAG). In this setup, DB01 and DB02 reside on EXG-02, while DB03 and DB04 are located on EXG-01. Unfortunately, EXG-01 has crashed and is currently…

exchange 2019 smtp and pop access e-mail program

Good morning, I would like to use the Exchange 2019 server that we also have for sending mail with a non-domain PC with Outlook or another mail program, configuring it with a classic mail account, as if I have to configure an Aruba mail address or…

Migrating active directory and pointing exchange to new active directory

Hi, We have migrated to the windows 2019 active directory server. I have an exchange server 2019 which defaultGlobalCatalogsForAllForests, DefaultPreferredDomainControllers, DefaultConfigurationDomainControllersForAllForests are still pointing to the old…

Exchange 2019 CU12 MSExchange Control Panel Error 5

When ever I log into exchange 2019 cu12 on prem ecp I always gets this error. error Your request couldn't be completed. Please try again in a few minutes. This is a new fresh install install on server 2022 datacenter and has been driving…