Microsoft Exchange Hybrid Management

Removing orphaned in-place hold

An eDiscovery Case was apparently removed but the in-place holds were never removed. So a user now shows a hold GUID on their mailbox and is prevented from emptying their deleted items once they hit the 100gb max. Since the Case identifier has been…

IMAP Protocol

Hi All, IMAP is disabled for all users in my environment. One of my users has requested that IMAP be enabled on their mailbox. I understand that IMAP is less secure, and I prefer not to enable it. Can anyone provide more details about IMAP to help me…

offenbarung interner Server-Hostnames in ausgehenden Mail-Headern

Hallo Microsoft Team , ich heiße Pooya ( System und Exchange Administrator ) von Cellex Firma ( Deutschland ) . ich habe eine Frage über Exchange Server und Hostnames und IP Adresse in ausgehenden Mail-Headern. ich würde sagen , wenn wir die Emails…

HCW8001 with Hybrid config, tried all the known fixes, nothing is working

I have run into this error with the HCW8001 and tried all known fixes, the tenant.mail.onmicrosoft.com domain is not being created in O365 admin center or exchange, it is however in Entra. Melvin Snow

Query on API

Hi All I want to fetch service health(Monitoring) information using an API. Could you please guide me on which API I need to use.

Exchange SMTP Logs

Hi All, I am using an Exchange 2016 hybrid environment. One of my applications is using an internal relay (i.e., on-prem relay). The application is triggering emails, but users are not receiving them. The users are in exchange online. Which logs do I…

permissions

Hi All, I have a shared mailbox in exchange online, for example, smb@contoso.com, which is accessed by two users. When user1@contoso.com sends an email from the shared mailbox, the sent emails are stored in the shared mailbox's Sent Items. However, when…

HCW8092 One or more items failed validation during 'Configure Mail Flow' task

Exchange Hybrid Address book

We have an hybrid exchange organization with a single forest exchange Org and Exchange Online. On the on-prem AD we have hundreds of "contacts" objects that users with mailbox on the on-prem servers can see in their GAL and users on Exchange…

Federation Trust Unable to access Federation Metadata

Hello, I have been trying to run the Hybrid Configuration Wizard on our Exchange Server. I know TLS 1.2 is running because I am able to login with my Tenant admin account(at least through IE) in the beginning of the HCW. I have checked all registry keys…

Exchange 2016 : How to add warning to mail to say mail send is outside the organisation on outlook

I want to configure a warning when sending mail outside to be displayed on outlook. I ran the command: Set-OrganizationConfig -MailTipsExternalRecipientsTipsEnabled $true on the exchange management shell However, the warning only appears on webmail. I…

Email Migration from On-Premises to Cloud

Hello All, I want to do email migration from On-Premises Exchange server 2013 hosted on windows server 2012 R2 to Exchange Online. I have approx 10 domains On-Premises where 1 domain e.g. "engineer.com" is logon domain for all the users on-prem…

Sharing free/busy information

Is it possible to share calnedars and free/busy information between two companies that are one Exchange Online only and one that is Exchange on-prem only ? The two companies' AD are in trust to each other thanks

Exchange Hybrid Address book

In a Hybrid environment is the Online GAL made from only the synchronized object from AD ? what if distribution groups are synchronized from On-Prem to ExO but some members are not present on the tenant ( not synced with Entra ID connector ) ? Can the AD…

Problème configuration 365 Hybrid Configuration

Bonjour, J'ai un projet de migration de serveur Exchange 2010 (à jour dernier SP32) vers Office 365. Je veux passer par une migration hybride complète mais j'ai un problème avec la configuration de l'assistant hybride à la première étape : Approbation de…

How to check the Exchange Server log for SMTP connection

Dear Support Team, Since we need to connect for SMTP functionality but the connection failed and the vendor says the packet has been sent but there is no response from the Exchange server, we want to check the Exchange server logs and fix this issue.

retention policy/tags

Hello Everyone i have a unified group mailbox lets say ug1@contoso.com, how can i know if any retention policy or tag is being applied on this unified group mailbox. 2.I have MRM Retention Policies and MRM Retention Tags set up under Data Lifecycle…

Get-DistributionGroup

Hi All, I have a list of Distribution Lists (DLs) in a CSV file in the following format: DLList dl1@contoso.com dl2@contoso.com I want to import this CSV file and retrieve the following information for each DL: The count of DL members, including…

Unknown HTTP error while retrieving PRT token with smart-card logon

We are currently migrating our proprietary smart-card logon system to Entra ID in combination with Entra CBA. Our machines are (successfully) Hybrid Joined. We have the single sign-on system working for password-based logons on the PC. The user gets a…

Original email header does not appear after exchange transport rule

Hello, I have an email account that has several forwardings applied to it through a server transport rule and when the email arrives in the mailbox, the original sender's data does not appear in the header. This causes the antiphishing filters not to be…