Update All Device Drivers Check for Windows Update
1.Update All Device Drivers: Press Windows key + X to open the Power User menu and then click on the Device Manager option. In the Device Manager window, expand each driver’s section and try to locate the driver that is indicated with a yellow…
Can't send email to my "Shared Mailbox" from outside my organization?
I got a report from a department that "senders" from outside my organization can not send email to a shared mailbox. The outside user are receiving a bounce back 550 5.7.133 error message. After logging into the Exchange Admin Center >…
Exchange server 2016 and 2019 coexistence
Hi, We have 2016 and 2019 servers both on premises. if we create and account which resides on database on 2019 authorization issues happen like you open OWA properly login and no error message just login does not happen. if you misspel password red…
DistributionGroup permissions
Hi All i have a DL in Exchange online, lets say DL1@contoso.com. i have users list in csv file in the below format.i want to import the csv file and provide users Send As/Send Onbehalf permission to the DL. Please let me know if the below syntax is…
How can I add my business domain emails into 365 to be abke to synchronise and have them work like they were made with outlook or hotmail etc ?
Hi guys, basically I need help getting my newly set up business email addresses to work within 365 – Microsoft exchange. So that my email address can be used on my Teams my synchronise calendars and so on. Currently, I have them added into outlook. I…
unified group email address
Hi All, I have an Office 365 unified group, and the group owner does not want to use the email address feature to send or receive emails. The owner primarily uses the SharePoint site and wants to restrict all members of the unified group from using the…
Retention polices
I have three questions related to retention policies. Under Data Lifecycle Management → Exchange (Legacy) → MRM Retention Policies, I have two policies: Policy1: This policy includes retention tags for all default folders with a retention period of 6…
External Mail Delivery Report Not Available in ECP - Exchange 2019
Dear Expertise, I have an Exchange 2019 mail solution that includes Edge Servers, Reverse Proxy with WAF, and MSG in our email flow architecture. I’m experiencing an issue where delivery report information is no longer available for external incoming…
exchange all virtual directory error: An IIS directory entry couldn't be created. The error message is Access is denied.
Здравствуйте, при попытке изменить свойство "проверка подлинности" в ECP возникает ошибка: Не удалось создать запись каталога служб IIS. Сообщение об ошибке - Access is denied. . HResult = -2147024891 при попытке сбросить виртуальный каталог в…
Accessing GAL on Outlook Mobile (iOS/Android) in Dialer (Exchange Hybrid)
Our users could view their GAL contacts using the native mail app on iOS or Gmail on Android. When using only the Outlook app, they can only see their contacts in the Dialer. Why isn't the Global Address List available to the dialer using the Outlook app…
Permissions and roles
for a user I need the role and permissions so I can read, edit, and create email threat policies for spam and phishing. are the only roles for this higher privileged ones? is there a way to adjust those permissions to lower reach?
access to licenses
Hi All i want to provide few users read access to Microsoft 365 Admin Center Licenses. i.e when users login to the below url, they should be able to view licenses without making any changes. please guide…
TLS Auth causes account login failure audits (Event ID 36879)
Exchange Experts, I can't eliminate an 'account failed to log on' audit caused by exchange's TLS auth mechanism. Everytime I get an email delivered to the server via our receive connector, the server tries to match the sender's cert using NTLM (I…
Last login details
Hi All, I am running an Exchange 2016 Hybrid environment in my test Azure Tenant. I create remote mailboxes from on-premises and have 150 Microsoft 365 E5 licenses. My users test M365 features and integrations in this tenant. Since I only have 150…
Exchange Web Services (EWS)
Hi All, I am using an Exchange 2016 hybrid environment. All my users have been migrated from on-prem to online. I have a requirement to forward meeting invites from a shared mailbox to users, and my input file changes daily. I need to schedule this…
Add a Service Credential pop-up in Outlook Critical issue
A new Microsoft Credential Pop-Up labeled "Add Service" is preventing users from connecting to our On-Prem exchange server. We have On-Prem Microsoft Exchange 2019, and also have Office 365 licenses for each client machine. The "Add a…
How to fix "This message couldn't be delivered because the sending email address was not recognized as a valid sender" error
When trying to send an email, I receive an error message stating "This message couldn't be delivered because the sending email address was not recognized as a valid sender. The most common reason for this error is that the email address is, or was,…
How to set Public Folder permission on Windows Exchange Server 2016
Created a public folder in the Exchange server 2016 and only set staff A,B C able to access into this folder. However, we found that Staff X, Y, Z can access into this folder. And we checked that under folder permission only showed staff A, B,C. How to…
unifiedgroup mailbox
Hi All My users are unable to create Outlook rules in a Unified Group mailbox. When I check using the syntax below, I see that IsGroupFoldersAndRulesEnabled is set to false. If I change it to true, will my users be able to set rules in both Outlook and…
configure the IIS server to deny requests made without the Host header set.
Good day, As recommended I set IIS to deny requests made without the Host header set. Unfortunately it does cause pop3 stop working. Could give any advice on this issue? Brgds Liu Wei