Tag Archives: Exchange

Removing certain email addresses by domain or prefix from all mail objects in Exchange on-premises

Over the summer my company moved our email ingress and egress from on premises Cisco IronPort Gateways to Exchange Online Protection. While this moved us to a modern and cloud-based mail hygiene solution, we did lose some of custom mail routing schemes we implemented when we had full control of our mail flow. One such […]

Posted in Uncategorized | Tagged as: , | Leave a comment

Removing 1000’s of folders in an on oprem Exchange Mailbox via EWS

Recently our helpdesk received a report of a user leveraging Outlook 2013 (x86) in a VM on a Mac to access a local mailbox (i.e. Not O365) crashing with an out of memory error. Before they reached out to my team (which are the stewards of Exchange 2016 and O365) they tired the following The […]

Posted in Uncategorized | Tagged as: , | Leave a comment

Inventorying Exchange custom attribute (extensionAttribute#\CustomAttribute#) usage within your environment

My team recently fielded a request for an unused Exchange custom attribute to use for various automation tasks around AD user groups. Since multiple teams at my company have access to various types of AD objects, we decided to do a quick inventory of the usage of those various attributes. Some quick background on those […]

Posted in Uncategorized | Tagged as: , , | Leave a comment

A single server can serve as a witness for multiple DAGs. However, each DAG requires its own witness directory.

This recently trip us up when bringing up new 2016 servers in our existing 2013 environment. We and used the same witness directory for both DAGS (e.g. \\MGMT500\C$\DAGFileShareWitnesses) under the assumption that the witness directories would be different.  While it does create a folder with a different GUID for each DAG. it treats the full […]

Posted in Uncategorized | Tagged as: , | Leave a comment
  • Archives

  • February 2023
    M T W T F S S
     12345
    6789101112
    13141516171819
    20212223242526
    2728  
  • Page list