Microsoft Exchange and Active Directory Blog
A reader of my blog asked the following question, which I would like to answer briefly here: Hello Frank, I have a question if it can be solved with a script.(Exchange 2016)If employees have their out-of-office assistant active, ActivSync is automatically deactivated as soon as the out-of-office assistant is switched off again, ActiveSync is automatically activated. The whole thing is intended as work protection ... Read more
Size limits for emails can be set in several places with Exchange Server 2016. There are size limits for mails not only for receiving and sending connectors, but also for ActiveSync, Exchange Web Services (EWS) and OWA (or Outlook on the Web). The standard limit for ActiveSync clients is 10 MB, while the limit for EWS is 64 MB. Read more
Apparently there is a problem with the Golden Master (GM) of Apple's iOS 11 with the Apple Mail App and Exchange Server 2016 on Windows Server 2016. In this case it is not possible to reply to mails or forward the mails with the Mail App. iOS 11 is not yet publicly available, it should ... Read more
Here is an interesting article about two ActiveSync bugs that are currently occurring in connection with Apple iOS: How to hunt down an EAS bug The article is very interesting, as it goes deep into error analysis. Very worth reading from my point of view. I can understand both problems and am also waiting for an update, although ... Read more
When migrating to Exchange 2016, you may come across the following problem: For smartphones or other ActiveSync devices, the domain was previously optional and was left blank, as can be seen in the following screenshot of an iPhone: If the CAS proxy function is now used for coexistence between Exchange 2010/2013 and ... Read more
I am currently receiving a lot of inquiries about ActiveSync and Apple devices. Apple devices do not want to establish an ActiveSync connection with Exchange using the integrated Mail app. So if you find your environment in the following description, you will run into the problem described: Apple devices with the integrated mail app (iPhone, iPad) The SSL certificate comes from StartCom / StartSSL ... Read more
Over time, users often accumulate many old ActiveSync partnerships that have not been used for a long time. The following script can be used to find old ActiveSync partnerships: $LastSuccessSyncBefore = 180 $FirstSyncDateBefore = 180 #----------------------------- $today = get-date $lastsyncdate = $today.AddDays(-$LastSuccessSyncBefore) $firstsyncdate = $today.AddDays(-$FirstSyncDateBefore) $results =@() $activesyncdevicelist = Get-ActiveSyncDevice -resultsize ... Read more
Accessing Exchange mailboxes via ActiveSync is now part of everyday life, but the risks associated with mobile access should not be ignored. Often users have not even protected their smartphone with a PIN, and if the smartphone is stolen or lost, anyone can read the business emails or do worse things. ... Read more
