Tag Archives: Exchange

Updating the additional response verbiage in Exchange conference room mailboxes in bulk

My company recently went through a rebranding and we had to update our company name on the additional response test on some 300+ conference rooms in our Exchange Hybrid environment. As always, PowerShell came to the rescue! In order to … Continue reading

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Custom RBAC roles in Exchange Online do not work as expected when compared to on premises Exchange servers

At our company we have created multiple paired down RBAC roles for various business units like Information security and our various regional helpdesks. As we started our journey into Office 365 in 2019, we replicated these paired down RBAC roles … Continue reading

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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 … Continue reading

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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 … Continue reading

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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 … Continue reading

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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 … Continue reading

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