Qualifications in Exchange Signatures
In a recent project I was working with iQ.Suite from GBS and specifically the component of this software that add signatures to emails. The client are an international organization with users in...
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Exchange 2013 Partner Applications and Error 2008
When Exchange Server 2013 is configured to connect to Lync / Skype for Business Server one of the steps is to create a partner application. When this is first run the partner application stores the...
View ArticleExchange Server and Missing Root Certificates
I came across an issue with a clients Exchange Server deployment today that is not well documented – or rather it is, but you need to know where to look. So I thought I would document the...
View ArticleExchange Online Archive–Counting Archives
If you are using Exchange Online Archive and what to get a count of the number of users with an archive, or a list of the users with an archive, then the following PowerShell scripts will give you this...
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Photos, Exchange, And The File System
On an Exchange 2013 and later server this is a folder called photos that gets created after installation and can contain a couple of user photos for some of your users. How does it get there and what...
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Capax Zantas EAS EWS 501 Errors
Whilst load balancing Exchange 2013 with a Capax Zantas EAS deployment in place I was reminded of an issue I experienced a few years ago with a Kemp load balancer. The EAS app for OWA was failing with...
View ArticleDMARC Quarantine Issues
I saw the following error with a client the other day when sending emails from the client to any of the Virgin Media owned consumer ISP email addresses (virginmedia.com, ntlworld.com, blueyonder.com...
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Office 365 and ACDC
The best connectivity to Office 365 is achieved with local internet breakout and local DNS egress. This means things like each branch office should connect directly to the internet and not via the Head...
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Conversation Red Number in Skype For Business That Won’t Go Away
I have had this issue for ages, but could not find any answer for it on the internet that did not involve resetting Skype for Business or other complex stuff when in fact the answer is so easy it...
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Duplicate Exchange Online and Exchange Server Mailboxes
With a hybrid Exchange Online deployment, where you have Exchange Server on-premises and Exchange Online configured in the cloud, and utilising AADConnect to synchronize the directory, you should never...
View ArticleOutbound Email Via Exchange Online Protection When Using Hybrid Exchange Online
In a long term hybrid scenario, where you have Exchange Online and Exchange Server configured and mailboxes on both, internet bound email from your on-premises servers can route in two general ways....
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Journal Rule Testing In Exchange Online
I came across two interesting oddities in journaling in Exchange Online in the last few weeks that I noticed where not really mentioned anyway (or anywhere I could find that is). The first involces...
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Office 365 Retention Policies and Hybrid Public Folders
If you create an Office 365 Retention Policy (in the Security and Compliance Center) that applies to all Exchange Online content then you might find that after the retention policy has been deployed (a...
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Exchange Online Migration Batches–How Long Do They Exist For
When you create a migration batch in Exchange Online, the default setting for a migration is to start the batch immediately and complete manually. So how long can you leave this batch before you need...
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420 4.2.0 RESOLVER.ADR.Ambiguous; ambiguous address
This error can turn up in Exchange Server when Exchange Server is trying to resolve the object that it should deliver a message to. Exchange queries Active Directory and expect that if the object...
View ArticleSend-On-Behalf Permissions in Exchange Online
This document is up to date as of March 2018 and is therefore unlike many earlier documents on this issue as this feature set is in the process of changing. First, Send-On-Behalf is changing so that it...
View ArticleAnonymous Emails Between On-Premises and Exchange Online
When you set up Exchange Hybrid, it should configure your Exchange organizations (both on-premises and cloud) to support the fact that an email from a person in one of the organizations should appear...
View ArticleCopy Links and Backlinks Between Users and Shared Mailboxes (automapping)
Automap for shared mailboxes does not work across forests when moving mailboxes. When the user is granted permission to a shared mailbox, the default behaviour of automapping means that the shared...
View ArticleExchange Server Object ID Error With Windows Server 2016 Domain Controllers
Saw this error the other day: When you open Exchange Control Panel and view the Mailbox Delegation tab of any user account you get the following: The object <name> has been corrupted, and it’s in...
View ArticleCannotEnterFinalizationTransientException On Exchange Move Request
Did not find a lot on the internet on this particular error, so I guess it does not happen very often, but in my case it delayed to move of the mailbox in question by a week or so until I could resolve...
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