block exchange activesync

Exchange Online PowerShell. How Basic authentication is blocked in Exchange Online. As per usual, there’s a good Microsoft article on Via the Azure Portal, go to Azure Active Directory > Users. Intune or Azure AD Hybrid) so it’s not as frustrating Is that logged anywhere?

Introduction. REFERENCES .

Controlling ActiveSync device access on Exchange 2010 and Exchange Online I am often surprised by how few customers know about or use ActiveSync device access rules (or ABQ for short) in Exchange 2010 when everyone seems to have the requirement to some degree or another. Exchange also has ActiveSync policies and device access rules you can set. For Exchange Server 2010 (and Exchange 2013) customers can use ActiveSync device access rules to block specific device types from connecting to Exchange. You can: Scroll through the list of mailboxes. However, being somewhat unfamiliar with Exchange I was not able to deduce whether the IIS server you are referencing in your article is your O365 Hybrid server, Main IIS for your organization or some other type of intermediary. Sorry, your blog cannot share posts by email. Assignements > Conditions > Clients apps. On Server 2012 just type IIS within the Start Window and it will appear, for older Windows Server versions it’ll be under In the new window, expand the Servername, followed by Sites, Default Web Site and scroll until you find Once selected, in the main console will be a number of settings to choose from. Exchange Online PowerShell. REFERENCES . Thanks so much for your consideration.For 365 you’ll need to explore claims rules or lock A/S down with cert based authentication, neither of which I have a guide for I’m afraid!Thanks for your nice article, I have a question about it…That’s something I’d have to research as I don’t know off-hand, and if you’re actively working with an exchange environment you’ll likely find the answer faster than me Is there any way to block access to Active Sync for specific users? Revised: Feb 12, 2020 While this is great for new Exchange admins, small businesses who don’t want to do much configuration and those who want things to As Enterprise Mobility continues to grow and management platforms become more prevalent within the industry, leaving ActiveSync completely open is making less and less sense both from a security and management perspective.Once devices are fully managed and ActiveSync profiles have been configured and deployed, limiting access to ActiveSync externally will prevent devices circumventing MDM in order to access email on their mobile devices.

There is an Exchange ActiveSync device access rule for which the access level set to Block or Quarantine. When finished, it will only be possible to connect to ActiveSync through the specified, whitelisted service, whether on-site or remote.Click start and open IIS Manager from the start menu. In Exchange 2010 we added a feature called the Allow/Block/Quarantine list (or ABQ for short).

The first is using the Exchange admin center for Exchange 2013/2016. As per usual, there’s a good Microsoft article on Discovering and blocking legacy authentication which can walk you through this, but in short:. You can:Once you've found the mailbox that you want to modify, select it, and then click If ActiveSync is enabled on the mailbox, you'll see a If ActiveSync is disabled on the mailbox, you'll see a To enable or disable ActiveSync access to a single mailbox, use this syntax:This example disables ActiveSync access to the mailbox named Yan Li.This example enables ActiveSync access to the mailbox named Elly Nkya.For detailed syntax and parameter information, see In the list of mailboxes, find the mailboxes that you want to modify. In the EAC, go to Recipients > Mailboxes .

If not O365, would you have a recommendation for accomplishing the same in an O365 environment? This means anyone with an ActiveSync device can try to connect to the server irrespective of whether or not they are permitted to do so. Mobile access is allowed by default for Exchange ActiveSync. This might cause problems or require work to get those users to clean up whatever device is trying to log in. When a new device attempts to connect to the Exchange environment, they may receive an email similar to the one below. While this is great for new Exchange admins, small businesses who don’t want to do much configuration and those who want things to just work, it poses a security risk on par with any other service openly accessible over the internet.