Microsoft Exchange and Active Directory Blog
From 01.11.2021, at least Outlook 2013 SP1 is required for Microsoft 365. Previously, older Outlook versions usually worked with Microsoft 365 without any problems. From 01.11.2021, however, Microsoft will now block Outlook versions older than 2013 SP1 from being used and block these versions. Here is the corresponding article from Micorsoft: New ... Read more
I have now received a lot of questions about Outlook on Windows 7 in conjunction with Exchange 2019. The error and solution have always been the same, so here is a short article about it. Outlook (regardless of the version) on Windows 7 cannot connect to Exchange Server 2019. Outlook then displays this message at startup ... Read more
Sometimes you can't see the wood for the trees, in this case the following problem has led me onto the slippery slope. A user reports that although he can create items in a shared calendar of a colleague, he can no longer delete the entries. When trying to delete a calendar entry, Outlook only shows the following error message: The ... Read more
RPCoverHTTP, better known as Outlook Anywhere, was introduced with Exchange Server 2003. RPCoverHTTP is used to connect Outlook to Exchange Server without a VPN, but it was not always easy to realize or implement. Essentially, RPCoverHTTP tunnels the remote procedure calls via the http protocol to transport RPC over the Internet. The ... Read more
Thanks to Autodiscover, it is easy to set up Outlook profiles for Exchange Server. Users only have to click "Next" a few times and the corresponding profile is created. The following dialogs should therefore be familiar to most people: However, since no user interaction is required here in the case of Exchange Server and a correct Autodiscover configuration and ... Read more
Originally, MAPIoverHTTP was already added with the update KB2899591 (http://support.microsoft.com/kb/2899591) for Outlook 2010, but the update was withdrawn a short time later. Microsoft has now released a new update. The update requires Service Pack 2 for Office 2010. The update for Outlook 2010 can be downloaded here: http://support.microsoft.com/kb/2878264 MAPIoverHTTP is a new ... Read more
Exchange functional or service mailboxes are often integrated into Outlook as an additional mailbox. Here in the example with the Info mailbox: As long as only one user has connected the mailbox, this is not a problem, but if several people access the Info mailbox and also send mails from the Info mailbox, a problem arises. Mails that ... Read more
When users change their name and their user name and email address have been changed, users sometimes complain that Outlook still displays their old name or email address: The reason for this is as follows: When Outlook 2010/2013 is set up, the user's e-mail address is stored in the Outlook profile. You can therefore change the user name and e-mail address ... Read more
Today we are looking at the client side and what options there are for analyzing the RPCoverHTTPS connection. One of the best and easiest places to start is the Remote Connectivity Analyzer from Microsoft. The RCA provides an initial quick overview of whether Outlook Anywhere is working or where there are problems. Unfortunately, the RCA does not like self-created certificates, not even ... Read more
Outlook Anywhere (RPC over HTTPS) can only be switched on or off on the Exchange servers. Unfortunately, it is not so easy to configure which users are allowed to use Outlook Anywhere. Although access to Active Directory groups can be restricted using Forefront TMG, every client is configured for Outlook Anywhere using Autodiscover. However, this has ... Read more
