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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.

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.

Office 365 comprises of several Microsoft products for business productivity that are accessed through a subscription model. The offering currently includes Microsoft Exchange, Microsoft Lync, Microsoft SharePoint and Microsoft Office. Other related products include Microsoft Dynamics CRM Online and Microsoft Project Online.

For more details on Office 365 please see

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Migration from third-party hosted Exchange to Office 365 - How to avoid NDRs caused by X500 addresses?

Our organisation is currently migrating away from a third-party hosted Exchange 2013 server to Office 365. Our organisation spans over multiple branch offices, each with its own domain, and we are migrating users from one office/domain at a time…
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AADSTS90019 when attempting automatic Azure AD registration of domain-joined Windows 10 device

I am attempting to set up automatic AAD join for Windows 10 as described here: https://azure.microsoft.com/en-gb/documentation/articles/active-directory-conditional-access-automatic-device-registration-setup/ We have two internal ADFS 3.0 servers…
Cameron
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Can I restart an exchange mailbox migration that permanently stalled?

I am migrating from Google G Suite to Office365. Most of the mailboxes migrated just fine. But one very large one stalled out. It got to 95% complete. That took 3 days. Is there any way that I can restart the migration so it picks up where it left…
toddgeist
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How to move ADFS to new servers?

Environment: an Active Directory forest with multiple domains, several of which are federated with the same Office 365 tenant; directory synchronization is in place, ADFS too. There is a single ADFS server (WS2012R2) and a single Web Application…
Massimo
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Office 365 SSO with different internal and external domain names

I'm trying to get SSO to work with Office 365 and Sharepoint online and I'm getting really confused. My internal domain is "internal.com" and my external name is "external.com". external.com is added as a domain in O365, but internal.com is not.…
blsub6
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Office365 Cutover Migration fails

I am working on migrating an on premise Exchange 2010 server to Office365 Exchange Online. I am doing a cutover migration as we have less than 100 mailboxes and the cutover is going to happen in a few days. When I create the migration endpoint, it…
user5870571
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Accidentally changed UPN of Directory sync service account on Office 365

Over the weekend, I successfully got our AD to sync with Azure AD and Office 365. Things were going great, but for some reason the accounts that it synced defaulted to a @ourorganization.onmicrosoft.com address. I was able to resolve this through…
darthcircuit
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Is Office365 Message Encryption actually secure?

I'm looking at implementing Office365 Message Encryption for our organization. My question is this: is it actually more secure than regular (unencrypted) email for messages sent to users outside the organization? According to this page, external…
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Excluding apps from Office 365 Click-To-Run deployment?

I'm attempting to install Office 365 2016 through the click-to-run customization and exclude a set of applications. Office installs perfectly fine and the excluded apps are not on the system after the initial install. After I log into my Office 365…
vane
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Winmail.dat Office 365 Exchange Online

Our accounting program Exact Accounting automatically sends email statements to customers via Outlook 2013. The statement is comprised of a subject line, an attached pdf, and a blank body. Multiple customers are receiving the winmail.dat file…
leo_cape
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How long does it take for an Exchange Transport Rule to STOP applying after it is deleted?

Yesterday my company was hit with a new trojan that uses the old social method of "it came from someone I trust" to suspend user's suspicion (and rationality) and it was opened and run. During the course of finding, containing, and eliminating this…
Alderin
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Two technologically different mailserver (Postfix / Exchange) for one domain

I have a couple of users on a Debain Postfix Mailserver. All is fine. Now we need to put some users to a hosted Exchange Server (Office 365). Is it possible to configure the mailservers and DNS MX for one domain in that way, that if the user inbox…
tromm
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Custom AD FS Rule for Office 365 MFA ActiveSync Exemption

We setup Office 365 with our RSA keys, and we are looking to exempt our mobile devices and outlook from MFA for now. From what I understand we have to form a custom issuance transform AD FS claim rule. I have tried creating one, without…
David Eisen
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How to prevent users from bypassing certificate warnings in Outlook

I had a case where a roaming user was connected to a public WiFi and got a certificate warning. The user saw the error and called me before connecting. Turns out the WiFi was doing SSL inspection. I was able to talk the user through the issue,…
myron-semack
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will office365 Enterprise office 2013 update itself to office 2016

Hi guys I have 150 devices with Office365 A point-to-run/click Office365 was installed on a single device and a image was based on this. the users are set to recieve update automatically. Now currently using Office 2013. But I've always thought this…
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