Microsoft introduced a new protocol in Exchange Server 2013 SP1 called MapiHttp (codename Alchemy). This is an Office 365 development to replace the traditional RPC/HTTPS protocol used in Outlook Anywhere. Outlook Anywhere was developed in the Exchange 2003 timeframe to use Outlook 2003 over the Internet. Outlook is using RPC to communicate with the Exchange […]
During Exchange migration (2007 –> 2013) in one of my customers I was faced into frustrating issue. Although this basic issue isn’t new, the resolution of this issue required multiple resolution steps. In addition, during my research I couldn’t find a full guide that cover all the required resolution steps, although the Outlook Password Prompt […]
When moving mailboxes between Exchange databases the move complete with a warning. This is because Exchange server sometimes does not fully delete the mailboxes from the source database immediately upon completion of the move the source mailbox database is switched to a “soft-deleted” state. To resolve this you need to remove the disconnected or soft deleted […]
If you move a lot of users from one Server to another (or from one DB to another) you might wish to complete all such requests without typing the full name from the user. The following PowerShell command could be used to clean (e.g. Remove) all completed Exchange mailbox move requests Get-MoveRequest -movestatus completed | […]
With all of the services and data migrated to Exchange Server 2013 we can begin the removal of the legacy Exchange servers from the organization. Exchange servers must be correctly uninstalled from an organization to avoid future issues due to orphaned objects. It is not enough to simply shut down the server. Aside from your own regular […]
So what can be done to speed up moved to Exchange 2016? (1) Smaller mailboxes – new to the later CU’s of Exchange 2016, if a mailbox is over 10 GB, the job will Queue and you won’t be able to resume it or retry it. If you dig into the actual move itself, you will […]
Issue After replacing a wildcard SSL certificate (*.domain.com) with a basic single-server certificate (webmail.domain.com) remote clients using Microsoft Outlook can no longer connect to their email accounts on an Exchange server using HTTP Proxy Method. Outlook displays below error and then repeatedly prompts for a password: There is a problem with the proxy server’s security […]
There are quite a lot of good step-by-step manuals available describing how to enable Kerberos authentication for Exchange Server 2013/2016. The following issue has been seen in an Exchange 2013 infrastructure (8 server DAG) where Outlook clients use OutlookAnyhwere to connect to Exchange Server. MAPI over Http is disabled on an organizational level due to a […]