Questions tagged [activesync]

(Exchange) ActiveSync is a client protocol developed by Microsoft that lets you synchronize a mobile device with a Microsoft Exchange mailbox.

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Exchange 2019 ActiveSync + Mobile Outlook App stop syncing

Good day! We have a local installation of Exchange 2019. Services are published through the IIS ARR reverse proxy. Everything works correctly, including OWA and the Outlook desktop client. But, at ...
Alex Whats's user avatar
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2 answers
454 views

Forwarding Meeting invites to Teams Rooms

We're currently looking into simplifying our Teams usage in the organisation. In particular, our static Teams Rooms. The biggest issue we are facing is how to manage external invites. First off, we're ...
FrostyForrester's user avatar
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3 answers
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Exchange mailbox stopped syncing on mobile - work with a weird behavior

Workaround found - I'm encountering a weird issue on Exchange Server 2016 on premise. 2 users of my Active Directory base stopped receiving new email on mobile (Outlook Android client), but email are ...
alinter8's user avatar
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1 answer
471 views

Exchange 2016 ActiveSync in Edge Server

Dears, We currently have an Exchange 2016 Edge server located in our DMZ and it is handling all our inbound and outbound emails. I noticed that there is no Activesync service/role inside Edge server. ...
Aboodnet's user avatar
1 vote
1 answer
4k views

Exchange 2016 OWA and ActiveSync 503 error

We are getting intermittent 503 errors for OWA and ActiveSync with Exchange 2016. The errors only seem to affect accounts in databases which are not active on the front end server so there appears to ...
Daniel's user avatar
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Outlook 2016 ignoring cache ost settings

Under account settings Outlook2016. One has the option mail to keep offline in the gui, to cache Email. Problem: For unknown reasons it stays at 1 month or all time. One should be able to alter the ...
Peter's user avatar
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1 vote
1 answer
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Suspicious activity by Outlook-iOS-Android App over ActiveSync

Background: Many of my users use smartphones, mostly iPhones to access their in-house MS-Exchange mail accounts via ActiveSync. After the recent security problems with iOS older than 13.5, we had ...
Hagen von Eitzen's user avatar
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0 answers
592 views

Outlook Exchange Active Sync with roaming profiles

I have some computers with Win 10, Outlook 2016 and roaming profiles. I want to access email through Exchange ActiveSync When I configure Outlook, the OST File ist stored in %userprofile%\appdata\...
Leonhard Triendl's user avatar
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7k views

Disable OWA on Ex2016 but leave EAS

For security reasons our company has decided to disable OWA (at least to the outside world), but would like to keep EAS (Activesync) available for syncing mobile devices. Is this possible? Both use ...
TSG's user avatar
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Exchange Active Sync Connection Issue

I configured my exchange 2016 server to accept imap SSL 993 connections, however when i try to configure account A (test account with user right only) it received email with no issue, but when i setup ...
Minami's user avatar
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Exchange 2016 cant access OWA - incorrect user ID and password

Originally i was having issue to use public network to access my exchange 2016 OWA, After my network team allowed the NAT 443 port, i'm able to land on OWA web pages externally, but no matter what ...
Minami's user avatar
  • 23
3 votes
1 answer
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Postfix does not pass mails to Amavis, when received from Z-push

Im kind of staring myself blind in how get ActiveSync to work correctly with my mailserver, so maybe anybody here have an idea? The deal is mailserver is hosting four domains and I want that all sent ...
Lasse Michael Mølgaard's user avatar
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1 answer
1k views

Exchange 2016 ActiveSync error

I'm trying to verify if all Exchange virtual directory are configured properly and running. I try to use Browser to surf https://hostname.company.com/Microsoft-Server-ActiveSync, however it returned ...
Minami's user avatar
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0 answers
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Dovecot/Postfix Error: connect failed to database

I have a question and I hope you can help. I have an email server setup and running. A few days ago the following updates were installed: 2019-08-15 22:23:40 upgrade php-common:all 2:69+0~...
realShadow's user avatar
1 vote
0 answers
672 views

How can I find the Windows Device Exchange ActiveSync ID?

When reviewing Activesync connection attempts for one user, I can see one connection initiating from a WindowsMail device, which seems to be a Windows machine with Windows Mail app. How can I ...
mhmdshawqi's user avatar
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Microsoft IRM and ClientAccessServerEnabled Option

I'm looking for some additional insight on Microsoft IRM and the ClientAccessServerEnabled option, and what enabling or disabling does and any potential ramifications. About half of the tutorials ...
Brian's user avatar
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How to configure Exchange 2013 shared mailbox with activesync?

I want to add both personal and shared mailboxes Exchange 2013 to Android devices using ActiveSync protocol, not IMAP. Is it possibile? How can I use the personal use to authenticate the shared ...
Tobia's user avatar
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Does -ActiveSyncAllowedDeviceIDs no longer work in Exchange 2013?

I used to use the -ActiveSyncAllowedDeviceIDs mailbox property to whitelist mobile devices for ActiveSync. Ever since we upgraded to Exchange 2013, any mobile device has been able to use ActiveSync, ...
Seyren's user avatar
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3 votes
2 answers
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Recommended way to migrate MS Exchange mailboxes to Dovecot

What is the proper way to migrate MS Exchange mailboxes to Dovecot? MS Exchange is 2010 and Dovecot with Postfix are on CentOS 7. I'd like to preserve permissions, states (seen/unseen), folders. I'...
sebelk's user avatar
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1 answer
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iOS Outlook Activesync works, iOS Mail Activesync doesn't

We have a guest wifi network that is in a DMZ-like zone on the firewall. Our Exchange 2010 servers are in the "inside" zone of the firewall, with 1-1 NAT to public IP addresses in the "outside" zone. ...
Todd Wilcox's user avatar
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5 votes
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How to determine if remote wipe succeeded?

Environment: Office 365 online. Exchange v15.1.933.16. One of our global administrators performed a remote wipe on a mobile device via the exchange admin centre, and then 'deleted' the device from ...
Levi's user avatar
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1 answer
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Domain Admin's Android refusing to activesync with Exchange 2013

I have tried for weeks to get my Galaxy S5 to connect to my exchange 2013 server. It appears that the exchange accepts the credentials, as there are no errors displayed, but no messages are ever sync'...
DomainAdminAndroidOwner's user avatar
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Outlook 2016/2013- Not able to connect to Exchange 2013 from External or Non-domain PC

I am having problem connecting to our Exchange 2013 from Outlook 2016 application running on external PC (outside LAN) or internal PC but not joined to Domain using auto-discovery. However there is no ...
arifr's user avatar
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Does sendmail have active sync like functionality along with calendar?

I am looking into setting up a sendmail server and I am kind of a newbie. I was just wondering, can sendmail be setup to act like exchange active sync?
Dre_Dre's user avatar
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2 answers
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Windows Exchange Logon Hours Restriction

So this will probably be the opposite of what most people have asked. An Internet search certainly appears to support that. I have AD users that have logon hour restrictions. I want these logon hour ...
user5870571's user avatar
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2 votes
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Exchange 2016 account will not perform activesync. Setup but no connectivity

The issue is that on some accounts that I create in Exchange 2016, they cannot get email on an iphone. I'm using exchange version 15.1 (build 225.42) running on Windows Server 2012, on premises. I ...
jeremy's user avatar
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1 vote
2 answers
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Error connecting mobile device to Exchange - missing permissions

I'm having an issue connecting a mobile device to an exchange 2010 server for a single user. Using https://testconnectivity.microsoft.com I get the following error: The Exchange ActiveSync test ...
waspinator's user avatar
5 votes
1 answer
12k views

Extend Dovecot/Postfix setup with Calendar/Contact Sync

I am currently running a mailserver with dovecot (maildir) and postfix. Now one user has to sync his contacts and calendar with outlook and iOS using our service. The only way to do this seems to be ...
lapayo's user avatar
  • 71
1 vote
1 answer
824 views

Enable Exchange 2013 activesync quarantine

I'd like to enable on my Exchange 2013 server the quarantine settings for activesync, because I want that my colleagues can sync with their mailbox only the company mobile phone and not their personal ...
maurice's user avatar
  • 51
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1 answer
86 views

ActiveSync only works if the user's mailbox is on one mailbox server

We are using Exchange 2003 with mailbox servers in 3 locations, with an Exchange frontend server with ActiveSync at the "HQ" location. Everything is connected via MPLS. If a user's mailbox is located ...
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1 vote
1 answer
35 views

Does Exchange ActiveSync save mails in phone?

We have a lot of smartphones using Exchange ActiveSync to receive mails. Does the phone save these mails in its internal memory? For example: to work with them when we are off-line. Thanks in advance ...
jomag's user avatar
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1 vote
1 answer
263 views

ActiveSync folder sync issues following import from IMAP

Currently we're running a Microsoft Exchange 2007 server on Windows Server 2008, with which we don't really have any particular issues with ActiveSync normally. In this case we've onboarded a new ...
Kovahr's user avatar
  • 71
0 votes
1 answer
2k views

AAD Connect "Soft match issue"

I upgraded to AAD Connect from sync recently before I performed a virtualization of our server infrastructure at the school I work at. I'd like to be able to move the role from my physical black box ...
nerdythor's user avatar
2 votes
1 answer
135 views

Are Exchange ActiveSync .xsd schemas available outside of documentation? [closed]

I'm working on an ActiveSync email client application (on Android, not that it matters). I would like to be able to write unit tests that validate the client's WBXML requests against Microsoft's ...
Dalbergia's user avatar
  • 123
2 votes
3 answers
8k views

Is there a non-mobile based tool for testing ActiveSync?

Is there any ActiveSync plugin for Internet Explorer or any Windows based tool that can be used to test whether or not clients can connect to our Exchange servers from outside our network?
Eddy's user avatar
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5 votes
3 answers
33k views

Email from IOS with attachments larger than 7.5Mb gets stuck in outbox and constantly tries to resend. Costs us hundreds in data fees

We have an on premise Exchange 2013 server. When sending email with large attachments from ActiveSync accounts on IOS devices, the email gets stuck in the outbox and won't send. It keeps trying to ...
eltommo's user avatar
  • 129
1 vote
0 answers
1k views

exchange+activesync: Allow to sync only calendar, but not email

I'm using SBS2011 with Exchange 2010 in it. I figured out how to set up activesync. But what I need is basically sync only calendar, not emails to iPhone/Android devices. Emails are managed by booking ...
Shirker's user avatar
  • 579
4 votes
1 answer
2k views

Exchange reply all copying sender

Symptom: Users sending emails in Outlook or on a mobile device connected via ActiveSync or Outlook Anywhere reply all to an email message. The sender ends up also being copied on the reply as well ...
TheCleaner's user avatar
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2 votes
1 answer
2k views

Changing default UPN for iPhone/ActiveSync seamless Setup: any downsides?

Setting up a brand-new domain and want to achieve ActiveSync/Autodiscover Nirvana: no certificate warnings, no having to enter in Server Names or Domains, just pure Contoso-like buttery bliss. Have ...
gravyface's user avatar
  • 14k
3 votes
1 answer
1k views

Block ActiveSync (only externaly, allow internally) but allow OAW/OWA (externally and internally) on Exchange

We have the following setup: Exchange 2010 SP3 An external IP adress & DNS name for OWA (bound to our Hardware Load Balancer) An external IP adress & DNS name for OAW & Active Sync (bound ...
BastianW's user avatar
  • 2,858
0 votes
1 answer
514 views

Does the default self-signed cert break Exchange 2010 Activesync?

I have a customer who has been using a neglected Exchange 2003 server for at least 10 years. I'm in the middle of a migration to Exchange 2010. Pretty much done, actually. The only thing left on my ...
rgb's user avatar
  • 3
2 votes
1 answer
93 views

User locked via ActiveSync

We have some user in our company is constantly locked in the Active Directory via ActiveSync. We are reading logs and doing various tests. We was found out: We see logon attempts with the wrong ...
Konstantin Bratulin's user avatar
0 votes
1 answer
2k views

PHP 5.4 PSA-Horde and Plesk 12 - How do I configure Active Sync? [closed]

PHP 5.4 PSA-Horde and Plesk 12 - How do I configure Active Sync? Ladies and gentlemen after a lot of hours getting more and more depressiv I hope one of you could help me figure out why my active ...
Simon Beta's user avatar
0 votes
1 answer
52 views

Proxy ActiveSync Between Domains

We are a subsidiary of our parent company. We have all of our own infrastructure and AD domain. All users connect to our domain for all resources except email which is provided by out parent. What ...
leepryor's user avatar
0 votes
0 answers
2k views

Meetings disappear from Outlook 2010 personal calendar

I have an issue where meetings are disappearing from a user's outlook 2010 calendar, seemingly caused by ActiveSync. The workflow and issue are as follows: User A has owner permissions on user B's ...
user3418092's user avatar
0 votes
1 answer
48 views

Exchange ActiveSync certification error

I have a problem when setting up a MS Outlook 2013 client. I'm trying to connect to the MS Exchange ActiveSync email server. I have installed the certificates for the mail.ourdomain.com, but there's ...
ThatGuy's user avatar
  • 101
4 votes
1 answer
14k views

Allow ActiveSync to former domain administrator in Exchange 2010

So as you all know security provisions of Exchange Server 2010 and up prohibit active sync access for members of schema admins. Since domain admins are schema admins, members of domain admins can't ...
ArtK's user avatar
  • 139
-1 votes
3 answers
122 views

Exchange Server name [closed]

I have a site running Exchange 2013, and while setting it up initially for ActiveSync or remote HTTPS access, I was able to somehow obtain an alphanumeric server name eg: 7d59d4a4-6b8f-4def-a960-...
Bahrain Admin's user avatar
0 votes
0 answers
121 views

Exchange 2010 Active Sync: Notes are lost

I have 1 user who sync his mailbox with BlackBerry Bold via BES and his iPhone 5s and iPad Air via ActiveSync. The main Client is Win7 with Outlook 2010. The user uses the notes feature in Outlook but ...
Max's user avatar
  • 23
0 votes
1 answer
2k views

Nginx alias or rewrite for Horde Groupware ActiveSync URL does not process the rpc.php file

I'm trying to setup a Horde groupware with Nginx. The webinterface works but I do not get the ActiveSync specific URL to work. The Horde Wiki explains how to use it with an Apache Webserver here. My ...
Benny Li's user avatar