4,734 questions with Microsoft Exchange Online Management tags
535 5.7.3 Authentication unsuccessful
Hello I try to use smtp for outlook with microsoft oauth2 in my pet project. I do all thing according…
How to fix Error Acquiring Token
I'm getting this error whenever i try to connect to Exchange online using PowerShell as Admin and I can't figure out how to fix it. Error Acquiring Token: Unknown Status: Unexpected Error: 0xffffffff80070520 Context: (pii) Tag: 0x21420087 (error code…
How to migrate users data between two tenants
There are two M365 tenants, I am interested in the process of unifying tenants at the stage, which can help or maybe there are ready-made guides? What utilities are used, the main point is how licenses are migrated
Unable to send emails from shared mailbox
I have setup a shared mailbox in Teams & Groups on MS 365 Admin Centre and added the relevant members to the shared mailbox and they all have Read, Manage and Send permissions but when I try to send an email from the mailbox I get the follow email…
when i run the connect-exchangeonline to connect it it should open a authentications window but it gives the error A window handle must be configured. See https://aka.ms/msal-net-wam#parent-window-handles At C:\Program Files\WindowsPowerShell\Modules\Exc
when i connect-exchangeonline i get this error : A window handle must be configured. See https://aka.ms/msal-net-wam#parent-window-handles At C:\Program…
unable to see the DL.
Hi All I am facing issue with Distribution List. When i try to create the DL from Exchange Online PowerShell i am getting the below error. There are multiple recipients matching identity "MYDL1". Please specify a unique value. When i use the…
A positional parameter cannot be found that accepts argument
Hi All I used the following syntax to grant "TempPolicy1" globally. However, I am encountering an error while trying to remove this policy "TempPolicy1" globally Please guide me. Grant-CsApplicationAccessPolicy -PolicyName…
Need information on Microsoft Message Trace GCC Support to request OAuth Token
I'm exploring MessageTrace report API: https://reports.office365.com/ecp/reportingwebservice/reporting.svc/MessageTrace, I can see that, to generate OAuth Token I need to make a GET call to: https://login.windows.net/<tenant-id>/oauth2/token . Does…
Query on Loop
One of my users has added Loop components in Outlook. The user can see Loop components in the Outlook toolbar. However, when the user tries to create a new invite, the Loop component button is disabled. Please guide me.
Having Error of "550 5.1.10" in Exchange Online
I'm having an error while sending emails to other domains and am also unable to receive some emails, after sending an email a bounce back email will appear by Microsoft having an error of "550 5.1.10" in Exchange Online, however, the…
Resource mailbox and approvals via a group mail address
Hi all, Our room reservations go through Outlook. On three of our rooms we need approval from a secretary group. Now the notification is received by the secretary group, The approval is done via the online Outlook, but then it gets silents. No approval…
Using imaplib to access emails in a outlook inbox
Hi! I'm trying to retrieve some attachments from my inbox using imaplib with Python to automate the process, but it's not working. I read somewhere that after the deprecation of Basic Authentication, it is no longer possible to access an email inbox…
Delegate Exchange Content Search ability to specific users
Background We have a group of users in our “Cyber IT Team” and would like to be able to delegate the ability for that team to carry out Content Searches in our Exchange Online mailboxes. The results of these searches can then subsequently be used by the…
Is there a way to programmatically update email signatures for users in an organization using MVC .NET or any APIs?
I am looking for a solution to update the email signature for all users in a company programmatically. Is there any way to do this using MVC .NET, Microsoft Graph API, or other APIs? Specifically, I want to know: If it's possible to update email…
Error with Get-RemoteDomain Cmdlet in PowerShell for Exchange Online
Encountering an error when trying to run the Get-RemoteDomain cmdlet: "The term 'Get-RemoteDomain' is not recognized as the name of a cmdlet." All required modules are installed since the Get-Mailbox command runs successfully. The environment…
User mailbox is full 99%
Hello experts, We have one of our user where Mailbox data is 99% full and this mailbox archive is enabled with Auto expand feature which is occupied with 50% This mailbox is placed on eDiscovery Hold so that user is unable to remove mails from Deleted…
Do Anti-Phishing Advanced Thresholds Affect Anti-Spam Detections in MDO?
Currently I am facing a predicament with a high volume of emails being flagged as high-confidence phishing under the "Advanced filter" detection technology by our anti-spam policy, a vast majority of which appear to be benign. I have noted the…
How to add user as Blind CC for all mails that sent from and received to it
Hello all, How to add user as Blind CC for all mails that sent from and received to it. Forwarding wont work here because user want to observe mails with out that mailbox owner notice (It's s shared account with Exchange mailbox). Can i try with…
Application Impersonation
Hi All, I have received an email from Microsoft stating that the Application Impersonation RBAC role in Exchange Online will be retired in February. I want to identify which applications in my tenant are using this role. Will the script below fetch all…
M365 email migration from google workspace - migration endpoint creation fails
Hello, I am attempting to migrate user mailboxes from Google Workspace to our M365 account. I have been following this article and am on Step 5 of it:…