Questions tagged [microsoft-office-365]

Office 365 is Microsoft's subscription based cloud solution for business productivity. All server side components are hosted at Microsoft managed datacentres. Customers that subscribe to O365 have access to the latest business productivity software and can choose to be "entirely cloud based" or have a hybrid configuration where some on-premise servers are retained.

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13 views

Forward Outlook 365 Mail to 3rd Party Server

We are using a corporate collaboration suite solution for most of our business email and calendar management, but we have also been relying heavily on Microsoft Teams and Microsoft 365 for select ...
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Exim secondary server in cpanel for two accounts of office365

I had one account of office365, where I have configuration for secondary mail server via mail connector. In exim.conf, I had: hotmail_route: driver = manualroute domains = hotmail.com : outlook....
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Buying / managing Office365 for my whole office staff [closed]

We have 9 people at my company. Every time we make a new hire, or buy a new computer, we just buy a single use Microsoft Office license. Some are really old (like version 2010) because the computers ...
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MS Teams calls drop after taking clients out of hold

Good morning! We're having an issue for around 2 weeks now and MS and provider support is sluggish at best. We have a calling queue for our company in A. Whenever an agent puts a client on hold and ...
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28 views

How can I set-up a domain in Azure and use Exchange Server services there?

I'm currently raising a startup company that's using an ISP's services. All we have at this time is IMAP for e-mail. And we're using JIRA/Confluence. I want to migrate us to a comprehensive ...
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39 views

Retention policy not being applied (general weirdness)

So in my org we are fully O365/EXO, and my job this week was to setup retention tags and assign a policy to a support inbox. This inbox just forwards to Salesforce so nothings critical. so I setup two ...
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1answer
36 views

Sent items do not appear in the “Sent Items” folder in Outlook for Desktop, Outlook Mobile (iOS), or Outlook 365

One of our users is no longer able to see any mail in his "Sent Items" folder. When he sends out a message it sits in the Outbox until he manually selects "Send/Receive" from the ...
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1answer
39 views

Exchange Online, Retention policy flow?

So I'm checking out an inherited O365/EXO config looking at retention policies and I've never seen one like this.. my question is: Am i understanding this correctly? After 1 month the emails are move ...
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36 views

Office 365 - Online Templates greyed out and unavailable

Environment: Microsoft Office 16 (Office 365) running on Windows Server 2019 with RDS. In Microsoft Office 16, all users are unable to search for any online templates in the new documents pane. Search ...
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1answer
36 views

Force MFA when not hitting conditional access policy

We are using 365 and setting up multifactor authentication. My thoughts are that users using hybrid Azure AD joined devices already have an additional form of authentication which is the device. And ...
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Exchange 2019 To replace Exchange 2013 in Hybrid Environment

After the recent Exchange Vulnerabilities were announced, we disconnected our Exchange 2013 server in our hybrid configuration and investigated any impact. There was none, but it has been decided that ...
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Windows File Server - file in use error message

Environment details: Windows Domain Environment Windows Server 2016 Standard (Build 10.0.14393) Hosted on VMware (ESXi, 6.7.0, 15160138) Users are on Office365 and most of their files have been ...
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34 views

Can MS Exchange Autodiscover service share same domain as website?

I have a client that wants (or needs, not sure) to use the MS Exchange Autodiscover service on their naked domain https://example.com. Their IT person has asked me to place (move) their new in-...
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28 views

M365 Exchange Connector Blocklisting

I am writing an Exchange Connector that will send messages from M365 to my app server, which will then relay modified messages back to M365. I understand that without Enhanced Filtering for ...
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1answer
58 views

Exchange online outbound execution order

I am writing an outbound connector for exchange online but want to understand the order of execution better. This is how I think things would happen but confirmation would be appreciated: Sender ...
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3answers
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Exchange share a folder with a blocked suser

an employee of a company I administer was retired, so I blocked sign in. This user (UserA) has some emails that must be accessed by another employee (UserB), but UserB cannot access UserA's entire ...
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38 views

exchange hybrid, management server do I still need HCW/Agent?

we currently migrated all our mailboxes into the cloud and want to keep one single exchange server (a pretty clean one) after our migration. do we still need the HCW Hybrid Agent or can we remove it ...
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MAIL API deliverability issue with Microsoft mail servers

My application started randomly experiencing deliverability issues when sending mail to Outlook and Hotmail addresses. I'm sending mail in java 8 through the mail API Transport.send(msg). This uses a ...
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28 views

exchange server 2012 update does not work

We have an Exchange Server 2013 with a connection to Microsoft 365 running locally on our network. We use Windows Server 2012 R2. This Exchange Server should now receive the cumulative update CU23. ...
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140 views

Bounced Email / Invalid MIME Content

Has anyone seen a bounced email because of the header size? My Cisco Ironport appliance receives the following NDR when sending emails to Office365. bounced by destination server. Reason: 5.3.0 - ...
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25 views

Tenant-Tenant Migration for Planner, Forms, Flow, and Power Automate

In the middle of planning a migration for Mailboxes, OneDrive, and Teams with MigrationWiz, there are no SharePoint sites that need to be migrated except for the Teams Sites. Which should be migrated ...
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1answer
37 views

Having Trouble with Exchange Archive Errors - 365 Hybrid

I work in a hybrid 365 environment. Someone made some changes to the archives for users' mailboxes and now I'm getting errors in 365 admin center when I look at an active user:image of error box I was ...
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1answer
36 views

Azure Global Admin without Office 365

My company has both Azure AD and Office 365, and I am a Global Admin. I'm trying to release my Office 365 permissions as I don't need those, but I still need full administrative control over Azure as ...
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1answer
58 views

Microsoft Exchange: difference between a “mailbox” and a “mail user”?

I'm in the process of migrating from G Suite to Office 365 using the article on Microsoft's website. It asks you to create a Mail User for everyone in the organisation, however, we already have a ...
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22 views

How to restrict access to 365 from office apps only?

I'm trying to restrict access to office365 (exchange specifically) from Microsoft office apps only? I don't want to allow certain users to use native email clients because I want to use application ...
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2answers
110 views

Cannot find Network Message ID in Message Trace

I'm viewing a message trace from https://admin.exchange.microsoft.com/#/messagetrace If I expand "More Information" on the selected email, I see "Message id". When I go to https:/...
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1answer
27 views

Can an owner of a group in Outlook 365 delete the email history of that group?

In Outlook365 one can create email group. People in the group can be "members" or "owners". Owners have privileges such as being able to add new members or even delete the group ...
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Can davmail be setup in a read-only way?

I have davmail setup to connect to Office 365 and expose calendar functionality through caldav. It appears it (or a caldav client connected to it) triggers some unwanted mails being sent by Exchange ...
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1answer
25 views

Change a synced AD user's Username

We have a user called John Smith, his username is a local AD user called John.Smith@alpha.com - this is synced with AD connect to microsoft 365. We have a cloud shared email address called John.Smith@...
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How can I access the mailbox of a MS Teams team from within Outlook?

I created a team in Microsoft Teams called "Controlling". This creates a MS365 private group with the same name with me as the owner. From within the MS365 Admin panel, I created an alias ...
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1answer
451 views

I'm getting “The server response was: 5.7.57 SMTP” When using an Office365 hosted Email on my SQL Database Mail

The mail could not be sent to the recipients because of the mail server failure. (Sending Mail using Account 2 (2021-02-01T13:38:08). Exception Message: Cannot send mails to mail server. (The SMTP ...
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1answer
92 views

Mail flow rule for email without an internal recipient

I want to set up a mail flow rule which detects any email from outside the organization where To: and CC: don't specify an internal recipient (this would include emails which are bcc'd to internal ...
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Two azure tenants in one o365 tenant mail domain

Is it possible to use the same o365 tenant with one mail domain in two azure tenants? For example: contoso.com has o365 and azure tenant for @contoso.com mylab.com has o365 and azure tenant for @...
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Cannot connect to EXO via Exchange PS module using certificate

I have setup the necessary prerequisites to connect to Exchange Online via Certificate + Service Principal. This includes, Generating a Self Signed cert Creating Service Principal in AzureAD Granting ...
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36 views

Client SMTP Submission on IIS

I've got 2 IIS servers: "Local" IIS" that runs on my network and "Remote IIS" located on other network. Both IIS servers have exactly the same application installed used to ...
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1answer
72 views

Append disclaimer in-line for replies, instead of at the end of the message?

I found this post, but it's 5 years old, so I thought I'd ask again to see if anything has changed. I have built an email signature in HTML and applied it as a mail flow rule to append to all emails. ...
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Office 365 Online Archive - User has access from Portal, but not Outlook

One of our users is unable to access an online archive as part of a mailbox in Office365. I have checked their permissions and can confirm that they have both FullAccess to the top level of the ...
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1answer
40 views

How do I set an O365 user as a mailing list owner, but not a member?

I'm trying to set a user as the Owner of various distribution groups, but not as a member. When I add them as an Owner, they are automatically added as a member. When I try to remove them as a member, ...
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2answers
531 views

How to fix issues with Room Finder not loading rooms

We have multiple users experience issues with room finder. Room finder will not load the available rooms. I didn't setup the rooms so I think there may be something wrong with how the rooms are setup. ...
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How do I stop certain users downloading Office 365 applications?

We're starting with 365. It's been a slow process but after a year or so we'll hopefully be installing 365 and migrating our mail server in January. However I'm now looking at letting users install ...
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1answer
154 views

Office 365 Keeps prompting for password and forgetting outlook passwords

I have an education license for MS Office 365 that I can use on 5 devices. On three devices it works fine. Installed on PC (Win 10) at home and it works fine for an hour maybe more, after which word/...
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Can I see when an Azure/365 user or device was signed out or shutdown

Got a manager who wants to see what time a certain employee signed out of their laptop or shut it down. Off the top of my head, the only way I think I could see that is by looking on their event ...
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1answer
30 views

Synchronize Exchange Online / Outlook data to OnPremise Network

I have Exchange Online and the newest Version of Outlook in my company. For years now we have the following Problem: We have a lot of Users that have multiple mailboxes, shared and personal ones, set ...
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23 views

How to intercept and quarantine incoming emails to gsuite / office 365

We want to call a REST api on each incoming email in gsuite or office 365 and based on the result of api, either let the email to deliver to recipient or quarantine email and sending a safe email to ...
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19 views

enable new active directory attributes to be synced to Azure active directory

For new application Need, I want to enable some attributes to be synced from AD to Azure AD through Azure ad connect. There are two methods I think, one from synchronization service interface and the ...
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1answer
84 views

Steps for migrating user home directory to OneDrive for Business

I need to migrate or move the HomeDrives of all corporate users into OneDrive for Business. There are approximately 600+ user directories in a total of 4.5 TB The entire users have been assigned of ...
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1answer
31 views

Is it possible to automatically add a resource mailbox when a meeting invitation is sent to another resource mailbox?

Exchange Online. I have a scenario where, when a user books a resource mailbox by adding it to a meeting invitation, I need to enforce booking another resource mailbox too; the underlying logic is ...
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2answers
241 views

Wildcard search in Exchange Online PowerShell cmdlets

Are wildcards supported in Exchange Online PowerShell cmdlets? I want to create a new Address List which filters by Mail address but cannot get it to work. The following command yields no results even ...
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1answer
85 views

SMTP relay server static public IP always being blocked

I have a SMTP relay server running on a hosted server under IIS, that uses a direct send configuration. I have migrated our old hosted exchange, to cloud exchange on office365 side and had to created ...
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1answer
35 views

How Reset Desktop password using Azure self service password reset?

We have hybrid Network and 75% of users are available on O365 joined and 25% users are still using on premise active directory and exchange emails. With covid pandemic, All employees are working from ...

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