4,492 questions with Microsoft Exchange Online Management tags
Client does not have permissions to send as this sender
Hi All, I am using an Exchange 2016 Hybrid environment with an internal relay. When I test using the syntax below, I receive the following error. For authentication, I am using a service account that is created as a remote mailbox on-premises and synced…
add members in bulk to Mail enabled security group
Hi all, Is there a way to add bulk users into a mail enabled security group and if so does any one have some guidance on this Thanks
Conditional Access Block Download Attachment
Hello , I trying for a few days to enable correct a Conditional Access Policy that blocks attachments to download. I managed to block attachment in owa but still have the option to save it to one drive. In windows i have the option to…
How to remove my email from a Microsoft list of emails that is suppressed
Recently, I have been told that my email is being suppressed by Microsoft because it is suspected of being from a spammer. I found out because I am no longer receiving emails from my son's school, or schools that my son is applying to. It is very…
How to set a default Address Book Policy without running any command through Powershell?
Hi everyone, I'm posting this question because I'm looking for a way to apply an Address Book Policy with empty address lists so that users don't have any GAL available. Later, the management will be done to assign the correct ABP to the employees based…
Query on Audit Logs
Hi All, i have a shared mailbox lets say smb@mydomain.com in exchange online. i have mailbox rules or outlook rules and one of the outlook rule was modified. i want to check in audit logs who modified the rule. please guide me
O365 verify domain
Hello, I need to add a domain to the O365 portal [https://www.alitajran.com/add-domain-office-365-tenant/] For now, I only want to add the new domain (TXT record) without migrating MX, autodiscover, or SPF records, but I'm confused about this…
SSL Certificate Renewal Process for Exchange 2019 Hybrid Environment with Edge Servers
Hello, We are managing an Exchange Hybrid environment with the following on-premises setup: Two Exchange Mailbox Servers 2019 Two Edge Servers 2019 Recently, we renewed our third-party SSL certificates, which include SANs for mail.xyz.com and…
Change email address
Hi All, I have a booking mailbox, let's say its email address is bm@contoso.onmicrosoft.com. One of my users utilizes this booking mailbox and has scheduled numerous invites to external users. I have a requirement to change the booking mailbox's email…
unable to access search
Hi Has anything changed on the Office 365 side? When I log in to the URL below, I don’t see the search box option: https://www.office.com/?auth=2&home=1
we couldnot save your tab settings
Hi All i am using M365 E5 license. I am unable to add the "Planner" app as a new tab in a channel. i am the owner of the teams. i am getting error we couldn't save your tab settings. please try again.
Automated Password Spraying Attack Office 365 Exchange Accounts
We are currently experiencing a significant automated password-spraying attack on the Office 365 Exchange application targeting the accounts of two high-level employees. The attack started at 1:36 am this morning and is still ongoing. There have been…
transport rule
Hi All, I am using exchange 2016 hybrid environment. we create users in onprem and migrate to online. I have a shared mailbox, and one of my users is going to send 1,000 emails to external recipients from this shared mailbox. I don't want the external…
G-MAIL rejecting emails
Have a similar issue as defined in the Q&A https://learn.microsoft.com/en-us/answers/questions/1822577/google-is-rejecting-email PTR record was added in response. I think similar thing would be needed to be done by Microsoft team here. Bounced…
The recipient's email system isn't accepting messages now. Please try resending your message later or contact the recipient directly.
People keep receiving this message when they sent something to my hotmail address.: Delivery has failed to these recipients or groups: @hotmail.com ( @hotmail.com) The recipient's email system isn't accepting messages now. please try resending your…
Check auto-expanding archive is working & detail size
I have enabled AutoExpandingArchive on the tenant that I manage in the hope that I will get a storage limit of 1.5 TB. Is it possible to check the details of the Archive Quota size? Because what I know is that I can only check the status.
SMTP address error
I deleted a user's SMTP address using the Office365 management portal. I want to attach this address to a new shared email. Trying to create a new email using this address is just for me Email addresses need to be unique and this one is already being…
Exchange 2016 Migration to EOL CMT Configuration for Host Spam Service
I would like to perform a migration with CMT and a hosted spam service that currently handles all inbound and outbound email outside the organization. I would like to keep that in place until all mailboxes have been moved from EOP to EOL over a period of…
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 Online - Default and Anonymous permissions access?
Hi Folks, I am trying to research what exactly Default and Anonymous means when giving permission in Outlook and Exchange Online. Specifically: If I give Default owner rights to my inbox (as a user from outlook), does that mean that anyone in…