Review and Audit Offensive Language in Office 365 Communications

A new feature as of May 2018 in Office 365 is to filter communications based upon the offensive language machine learning filter. This is part of the Supervision settings that have been available for a number of years. The Offensive Language model uses a combination of machine learning, artificial intelligence, and keywords to identify inappropriate… Continue reading Review and Audit Offensive Language in Office 365 Communications

Teams Calendar Fails To On-Premises Mailbox

Article Depreciated: Microsoft now auto-hides the Calendar icon in Teams if your on-premises Exchange Server is not reachable via AutoDiscover V2 and at least Exchange Server 2016 CU3 or later. Once you move your mailbox to Exchange Online (or a supported on-premises version), assuming you did not do any of the below, your Calendar icon… Continue reading Teams Calendar Fails To On-Premises Mailbox

Too Many Folders To Successfully Migrate To Exchange Online

Exchange Online has a limit of 10,000 folders within a mailbox. If you try and migrate a mailbox with more than this number of folders then it will fail – and that would be expected. But what happens if you have a mailbox with less than this number of folders and it still fails for… Continue reading Too Many Folders To Successfully Migrate To Exchange Online

bin/ExSMIME.dll Copy Error During Exchange Patching

I have seen a lot of this, and there are some documents online but none that described what I was seeing. I was getting the following on an upgrade of Exchange 2013 CU10 to CU22 (yes, a big difference in versions):      The following error was generated when “$error.Clear();           $dllFile = join-path $RoleInstallPath “bin\ExSMIME.dll”;           $regsvr… Continue reading bin/ExSMIME.dll Copy Error During Exchange Patching

CRM Router and Dynamics CRM V9 Online–No Emails Being Processed

This one is an interesting one – and it was only resolved by a call to Microsoft Support, who do not document that this setting is required. The scenario is that you upgrade your CRM Router to v9 (as this is required before you upgrade Dynamics to V9) and you enable TLS 1.2 on the… Continue reading CRM Router and Dynamics CRM V9 Online–No Emails Being Processed

Exchange Server Dependency on Visual C++ Failing Detection

Exchange Server for rollup updates and cumulative updates at the time of writing (Feb 2019) has a dependency on Visual C++ 2012. The link in the error message you get points you to the VC++ 2013 Redistributable though, and there is are later versions of this as well. I found that by installing all versions… Continue reading Exchange Server Dependency on Visual C++ Failing Detection

Read Only And Attachment Download Restrictions in Exchange Online

Microsoft have released a tiny update to Exchange Online that has massive implications. I say tiny in that it take like 30 seconds to implement this (ok, may 60 seconds then). When this is enabled, and below I will describe a simple configuration for this, your users when using Outlook Web Access on a computer… Continue reading Read Only And Attachment Download Restrictions in Exchange Online

Public Folder Migrations and the Changing Cmdlets

To complete a public folder migration from Exchange 2013/2016 to Exchange Online you need to run Set-OrganizationConfig -PublicFolderMailboxesLockedForNewConnections $true But if you look at lots of the documentation that is out there with their tips and tricks etc. you will see that lots of them say: Set-OrganizationConfig –PublicFoldersLockedForMigration $true So very near – but its… Continue reading Public Folder Migrations and the Changing Cmdlets

Public Folder Sync–Duplicate Name Error

I came across this error with a client today and did not find it documented anywhere – so here it is! When running the Public Folder sync script Sync-ModernMailPublicFolders.ps1 which is part of the process of preparing your Exchange Online environment for a public folder migration, you see the following error message: UpdateMailEnabledPublicFolder : Active… Continue reading Public Folder Sync–Duplicate Name Error

Azure Information Protection and SSL Inspection

I came across this issue the other day, so thought I would add it to my blog. We were trying to get Azure Information Protection operating in a client, and all we could see when checking the download of the templates in File > Info inside an Office application was the following: The sequence of… Continue reading Azure Information Protection and SSL Inspection

CannotEnterFinalizationTransientException 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 it. When a mailbox is moving to a different Exchange organization (cross-forest… Continue reading CannotEnterFinalizationTransientException On Exchange Move Request

Anonymous 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 as internal to a recipient in the other organization. In Outlook that means you will see “Display Name” at the top of… Continue reading Anonymous Emails Between On-Premises and Exchange Online

Send-On-Behalf Permissions in Exchange Online

This document is up to date as of November 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 is supported across a hybrid Exchange Server to Exchange Online connection. At the time of writing this is… Continue reading Send-On-Behalf Permissions in Exchange Online

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 exists in the directory, that the object exists only once. If the object exists more than once, this is the error… Continue reading 420 4.2.0 RESOLVER.ADR.Ambiguous; ambiguous address

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 to complete it? As you can see from the below screenshot, the migration batch here was created on Feb 19th,… Continue reading Exchange Online Migration Batches–How Long Do They Exist For

Outbound 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. The first is outbound via whatever you had in place before you moved to Office 365. You might have configured Exchange Online to… Continue reading Outbound Email Via Exchange Online Protection When Using Hybrid Exchange Online