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Category Archives: Exchange
Inventorying what extensionAttributes are used in your Active Directory Environment
Recently we my team was asked what extensionAttributes were in use in my company’s Active Directory environment so I wrote this quick PowerShell script to search for any filled in extensionAttribute and compile a list of that objects Then compile … Continue reading
Posted in Active Directory, Exchange, PowerShell
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Adventures in PowerShell dot sourcing
As my company has started our journey to Office 365, we have had to go back and update a lot of our daily checks, scripts, and automations we put in place for user accounts. As a specific example we have … Continue reading
Posted in Exchange, Office 365, PowerShell
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Properly scoping get-inboxrule for a custom RBAC role group
After creating a custom RBAC role in Exchange for our help desk so that they could handle simpler end user requests like mailbox size, conference room permissions, etc. after deploying it we got reports that the get-inboxrule command was not … Continue reading
Posted in Exchange
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Checking Exchange IIS logs for users who downloaded files via OWA
At my work we use a 3rd party application that rides ontop of OWA in Exchange in order to block attachment downloads across certain IP ranges (namely all external access). We recently had an issue with it silently failing and … Continue reading
Posted in Exchange, LogParser
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Undocumented Change in 2016 MessageID header behavior
At my company, we recently migrated from 2013 to 2016, but had to keep a 2013 footprint around for support of older Blackberry 5 devices. In our environment, we have a SendMail farm that is an internal open relay as … Continue reading
Posted in Exchange
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How to remove a user from a security group in a different domain in PowerShell
Recently I ran into an issue at my company removing a user in our primary domain from a group in our root domain using the AD cmdlets in PowerShell. All my company’s user, computer, and group objects are in our … Continue reading
Posted in Exchange, PowerShell
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Getting Exchange 2013/2016 Add-ins (Outlook Apps) working through a proxy
Like most companies, my organization uses a proxy for all internet traffic. This presented a problem when we tried using Add-ins for Exchange 2013. At the time we could not figure out how to get the subsystem that pulled down … Continue reading
Posted in Exchange
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Log parser query to get Exchange clients below a certain patch level
At my company we are currently in the early stages of an Exchange 2013 to Exchange 2016 migration and we needed to identify any Outlook clients below a certain patch level (ones we identified as having issues with Mapi over … Continue reading
Posted in Exchange
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Unable to delete items in modern public folders : “Some Items cannot be deleted. They were either moved or already deleted, or access was denied”
Recently we had reports from a subset of users that they received the following error when they tried to deleted items from a specific set of public folders using their Outlook client: “Some Items cannot be deleted. They were either … Continue reading
Posted in Exchange, Exchange 2013, Public Folders
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The various picture resolutions supported by Exchange 2013 mailboxes
In researching what picture resolutions are supported by Exchange (and Lync 2013/Skype for business) I came across this MS Technet article stating the the following 3 resolutions used in Lync: 48 x 48 : Used if no higher resolution image is selected … Continue reading
Posted in EWS, Exchange 2013, Outlook
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