Microsoft Exchange Online
A Microsoft email and calendaring hosted service.
2,052 questions
4,703 questions with Microsoft Exchange Online Management tags
2 answers
First contact safety tip for migrated mailboxes
Hi We are migrating mailboxes from Exchange onprem to Exchange Online. We also configured the "First contact safety tip", as this is recommended. Our problem now is, that users are complaining, that the banner "You don't often get Emails…
asked 2025-01-26T16:13:49.7666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(163.2, 83%, 25%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EP%3C/text%3E%3C/svg%3E)
Peter
120
Reputation points
answered 2025-01-27T09:10:40.3733333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(99.2, 91%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJZ%3C/text%3E%3C/svg%3E)
Jake Zhang-MSFT
8,400
Reputation points Microsoft Vendor
1 answer
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…
asked 2025-01-22T08:49:33.88+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(211.20000000000002, 64%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EZA%3C/text%3E%3C/svg%3E)
Zack A
0
Reputation points
commented 2025-01-27T08:15:50.3533333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(316.8, 90%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAZ%3C/text%3E%3C/svg%3E)
Alex Zhang-MSFT
3,940
Reputation points Microsoft Vendor
1 answer
HealthMailbox002ffc636089455c972d26693ebd3d85@abc.com I found more than more than 48000 this Health Mailbox user.
HealthMailbox002ffc636089455c972d26693ebd3d85@abc.com I found more than more than 48000 this Health Mailbox user. But in actual I have less than 3000 user. We are using Exchange 2019. how I Clean them without any impact
asked 2025-01-26T06:18:27.2566667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(246.4, 91%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENA%3C/text%3E%3C/svg%3E)
Nihal Ansari
0
Reputation points
answered 2025-01-27T05:34:07.25+00:00
Alex Zhang-MSFT
3,940
Reputation points Microsoft Vendor
4 answers
Outage with Exchange Online?
Greetings, We have a user who was created and licensed about 4 hours ago but their Exchange Online mailbox still is not provisioned. The message in M365 Admin for the user when you click on the mail tab is We are preparing a mailbox for the user. User…
Office Management
Office Management
Office: A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.Management: The act or process of organizing, handling, directing or controlling something.
2,250 questions
Microsoft Exchange Online Management
Microsoft Exchange Online Management
Microsoft Exchange Online: A Microsoft email and calendaring hosted service.Management: The act or process of organizing, handling, directing or controlling something.
4,703 questions
asked 2025-01-17T01:16:14.32+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(96, 76%, 19%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
mpls
100
Reputation points
commented 2025-01-27T03:27:45.26+00:00
Alex Zhang-MSFT
3,940
Reputation points Microsoft Vendor
2 answers
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…
asked 2025-01-24T21:24:46.9766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(265.6, 72%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERR%3C/text%3E%3C/svg%3E)
Roger Roger
6,691
Reputation points
edited the question 2025-01-27T02:48:33.1666667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(265.6, 22%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESE%3C/text%3E%3C/svg%3E)
Shireesha Eeraboina (Quadrant Resource LLC)
830
Reputation points Microsoft Vendor
1 answer
How to get four years old calendar items
Hello all, We are in Hybrid mode and one of our user is trying to pull data from 4 years back calendar items but they can't find items in their calendar showing up. Mailbox is not archived And i had taken delegation to check recoverable items and there…
asked 2025-01-24T18:00:07.6366667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(300.8, 45%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
Mani
316
Reputation points
answered 2025-01-27T02:42:17.26+00:00
Jake Zhang-MSFT
8,400
Reputation points Microsoft Vendor
3 answers
script runs for hours without any output
Hi All, I am using an Exchange 2016 hybrid environment. I have a CSV file containing Exchange on-premises DL email addresses, including distribution lists and mail-enabled security groups. I want to export all the DLs that contain mail contacts, mail…
asked 2025-01-24T12:51:10.99+00:00
Roger Roger
6,691
Reputation points
answered 2025-01-27T02:35:26.55+00:00
Jake Zhang-MSFT
8,400
Reputation points Microsoft Vendor
1 answer
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…
asked 2025-01-23T14:39:41.5666667+00:00
Mani
316
Reputation points
commented 2025-01-27T01:07:05.32+00:00
Alex Zhang-MSFT
3,940
Reputation points Microsoft Vendor
3 answers
One of the answers was accepted by the question author.
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…
asked 2024-12-06T11:41:18.0066667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(195.2, 52%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETS%3C/text%3E%3C/svg%3E)
Tanuj Saini
50
Reputation points
commented 2025-01-24T23:19:19.1+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(35.2, 86%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHG%3C/text%3E%3C/svg%3E)
Helmut Gary Perez
0
Reputation points
1 answer
One user is not receiving incoming emails from a specific domain, while other users can.
Subject: Email Issue for a Specific User Hello, We have a user in our tenant who is not receiving emails from a specific company with whom we do business. While this user can send emails to their contact at that company's domain, our user does not…
asked 2024-10-23T14:23:09.9033333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(28.799999999999997, 12%, 12%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EL5%3C/text%3E%3C/svg%3E)
LM-5132
155
Reputation points
commented 2025-01-24T19:11:45.5733333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(92.8, 91%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFK%3C/text%3E%3C/svg%3E)
Frank keough
0
Reputation points
1 answer
One of the answers was accepted by the question author.
Permissions issue
Hi All i am trying to add one user to eDiscovery Manager Permissions (Permissions-Permissions-eDiscovery Manager-eDiscoveryAdministrator) i am getting below error, this is first time i am facing issue adding users. i have tried in all browsers. Client…
asked 2023-03-16T21:57:34.77+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(179.20000000000002, 7.000000000000001%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGM%3C/text%3E%3C/svg%3E)
Glenn Maxwell
12,211
Reputation points
commented 2025-01-24T17:24:25.3366667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(198.4, 9%, 29%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELJ%3C/text%3E%3C/svg%3E)
Loster, Jason
1
Reputation point
2 answers
Prevent single-use code phishing emails
Good Afternoon, we have Outlook Exchange host our secure email server by our company's broker/dealer. Weekly my colleague will get emails from [account-security-noreply@accountprotection.microsoft.com] with subject line "Your single-use code".…
asked 2023-06-22T23:08:49.5733333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anonymous
commented 2025-01-24T10:38:50.1966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(272, 1%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPH%3C/text%3E%3C/svg%3E)
Patrick Hook
0
Reputation points
1 answer
Invalid License Error When Accessing Inactive Soft Deleted Mailboxes in Exchange Online
An exception "Mailbox 'x' doesn't have a valid license" occurs while trying to access inactive soft deleted mailboxes. A mailbox with an M365 retention policy (Purview) was deleted and converted to an inactive mailbox. It's verified that the…
asked 2025-01-20T12:14:58.6366667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(224.00000000000003, 92%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESG%3C/text%3E%3C/svg%3E)
Shreyas Gupta
0
Reputation points
commented 2025-01-24T09:40:10.5066667+00:00
Alex Zhang-MSFT
3,940
Reputation points Microsoft Vendor
1 answer
Message size limit for HVE
I am looking at enabling High Volume Email (HVE) for some applications to send SMTP messages. I need to know what the message size restrictions for this are. I have seen in 3rd party blog posts they are saying there is a 10mb attachment size limit, but I…
asked 2025-01-09T02:13:24.93+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(67.2, 84%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG%3C/text%3E%3C/svg%3E)
Geezer32
91
Reputation points
commented 2025-01-24T09:38:31.11+00:00
Alex Zhang-MSFT
3,940
Reputation points Microsoft Vendor
1 answer
How to use Division attribute for Dynamic Distribution Group
I'm trying to create a Dynamic Distribution Group, and I need to make a decision based on the Division attribute. I can't select the attribute because under Dynamic membership rules it is not listed as a selectable Property in the dropdown. Does…
asked 2025-01-03T17:37:24.3733333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(243.2, 94%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMA%3C/text%3E%3C/svg%3E)
MRMO Admin (TEST)
0
Reputation points
commented 2025-01-24T09:37:33.8333333+00:00
Alex Zhang-MSFT
3,940
Reputation points Microsoft Vendor
2 answers
Auto Processing of RemoteRoomMailbox
Hello, We facing a problem with RemoteRoomMailbox. Room have working perfectly fine for over a year. Without any reason room stopped autoprocessing. I tired to turn off auto processing for few hourse and re-run it. Sadly without any result. Rest of…
asked 2025-01-02T15:06:05.43+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 94%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EC%3C/text%3E%3C/svg%3E)
Checior200
0
Reputation points
commented 2025-01-24T09:33:46.1833333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(44.800000000000004, 43%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBJ%3C/text%3E%3C/svg%3E)
Bruce Jing-MSFT
8,095
Reputation points Microsoft Vendor
1 answer
How to add custom MIME header in email in Exchange online
Hello, We want to know if we can add a custom MIME header in email in Exchange online messages so if we receive the email in Bcc we can redirect that email to a specific mailbox. It is to use SAP application with EXO. SAP has suggested the following…
asked 2025-01-16T10:46:50.5+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(44.800000000000004, 25%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMA%3C/text%3E%3C/svg%3E)
Mohd Ajaz Khan
0
Reputation points
commented 2025-01-24T08:41:56.1866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(262.40000000000003, 35%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EXQ%3C/text%3E%3C/svg%3E)
Xintao Qiao-MSFT
6,030
Reputation points Microsoft Vendor
3 answers
Exchange mail flow rule for plus addressing
I'm having trouble creating a rule that will catch all incoming + addressed messages. Here's what I have so far: Sender is NotInOrganization Recipient address matches any of these text patterns: username\+.*@domain\.com …
asked 2025-01-21T17:19:08.46+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(278.4, 57.00000000000001%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ5%3C/text%3E%3C/svg%3E)
JayCarper-5747
331
Reputation points
commented 2025-01-24T08:40:10.5166667+00:00
Xintao Qiao-MSFT
6,030
Reputation points Microsoft Vendor
2 answers
One of the answers was accepted by the question author.
unable to create unified group
Hi all, I am trying to create a unified group in PowerShell using the New-UnifiedGroup cmdlet, but I am encountering the error below: Write-ErrorMessage : |Microsoft.Exchange.Configuration.ObjectModel.ProxyAddressExistsException|The proxy address…
asked 2025-01-03T04:12:52.3433333+00:00
Glenn Maxwell
12,211
Reputation points
accepted 2025-01-24T06:04:37.5133333+00:00
Glenn Maxwell
12,211
Reputation points
2 answers
One of the answers was accepted by the question author.
inactive mailboxes
Hi All, I have a few inactive mailboxes under a retention policy in the Microsoft Purview Portal (Data Lifecycle Management → Retention policies → RP01). Let's say the policy is named RP01, and its GUID is u98k89mn-9876-ht68-mjki-kj78oophgy768. Exporting…
asked 2024-12-26T16:40:30.9166667+00:00
Glenn Maxwell
12,211
Reputation points
accepted 2025-01-24T06:03:47.0866667+00:00
Glenn Maxwell
12,211
Reputation points