Actually, this is more of a question than answer – although I have an answer of sorts, albeit far from elegant. I’ve been scheduling some batch onboarding mailbox migrations from a hybrid environment with Exchange 2010 to Exchange Online. The batch process is pretty straightforward, but I haven’t found an easy way to dump the… Read More »
You know you’re getting old when you come across a Usenet post you wrote almost 20 years ago. I came across this little memento while Googling for a much more recent item. Given the vintage of the post, I must have been referring to Exchange 4.0. Exchange has come a long way since then, although… Read More »
It seems that a couple of weeks ago my standalone Exchange Online Protection (EOP) configuration was changed without me being involved. Basically, it looks like my default Accepted Domain was changed from type “Internal Relay” to “Authoritative” without my knowledge or consent. The first I knew of this was when I noticed my on-premises mail… Read More »
I recently had a interesting issue where I was seeing the 1121 error below in the Application log on one of my Exchange 2013 servers every minute. Log Name: Application Source: MSExchange Mailbox Replication Date: 14/01/2015 2:23:34 p.m. Event ID: 1121 Task Category: Request Level: Error Keywords: Classic User: N/A Computer: ex1.contoso.com Description: The… Read More »
I came across a weird error the other day while running Exchange Server 2013 CU6 setup with the /PrepareAD switch. The error (from the Exchange setup logs) was this: [12/02/2014 01:14:16.0727] [2] [ERROR] Could not find the Exchange Mailbox Administrators Universal Security Group through its well-known GUID 29a962c2-91d6-4ab7-9e06-8728f8f842ea. Please make sure that Setup /prepareAD has… Read More »
You might come across a slight gotcha with SPF records if are using Exchange Online Protection (EOP) to provide protection for your on-premises mail environment and you don’t need to use EOP to scan your outbound (i.e. on-premises to Internet) messages. If this scenario is of interest to you, read on… You may be… Read More »
To be honest I’m only writing this one because I know I’ll get confused in the future and will want to refer to something authoritative. 🙂 There are two configurable values when considering how to change the Exchange Server 2013 Offline Address Book (OAB) generation schedule from its default of 1 day. These are: OABGeneratorWorkCycle… Read More »
If you have Send As permissions on another recipient object (e.g. mailbox, distribution group) you have the ability to specify that object’s primary SMTP address as your “From” address when sending from Outlook and Outlook Web App (OWA). How you achieve this in OWA is not immediately obvious, so here are some (hopefully helpful) screenshots. … Read More »
I upgraded a client’s CAS servers recently from Exchange 2007 Service Pack 2 Update Rollup 5 to Service Pack 3 Update Rollup 13 in preparation for upgrade to Exchange 2013. Following the restart after the Update Rollup had completed I found I could not log into OWA. Instead I got a blank page with a… Read More »
When you install a new version of Exchange or apply a Cumulative Update certain AD attributes are updated to reflect the change. The updates are made in three different directory partitions (also known as naming contexts): Schema, Configuration and Domain. The following Microsoft TechNet article is a good reference for the different versions and the… Read More »