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2010 2013 2016 active directory ADDS error Exchange Server

Exchange 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 an inconsistent state. The following validation errors happened: The access control entry defines the ObjectType ‘9b026da6-0d3c-465c-8bee-5199d7165cba’ that can’t be resolved.. […]

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2010 Edge EOP exchange exchange online Exchange Online Protection Exchange Server Office 365

XOORG, Edge and Exchange 2010 Hybrid

So you have found yourself in the position of moving to Exchange Online from a legacy version of Exchange Server, namely Exchange 2010. You are planning to move everyone, or mostly everyone to Exchange Online and directory synchronization plays a major part (can it play a minor part?) in your plans. So you have made […]

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2007 2010 2013 2016 Edge EOP exchange exchange online Exchange Online Protection FOPE IAmMEC Office 365

Exchange Edge Server and Common Attachment Blocking In Exchange Online Protection

Both Exchange Server Edge role and Exchange Online Protection have an attachment filtering policy. The default in Edge Server is quite long, and the default in EOP is quite short. There is also a few values that are common to both. So, how do you merge the lists so that your Edge Server attachment filtering […]

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2007 2010 2013 exchange exchange online Exchange Server federation Free/Busy

Exchange 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 troubleshooting steps and the fix here. We specifically came across this error when testing Free/Busy for an Office […]

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2010 2013 exchange IAmMEC

Unable To Send Exchange Quota Message

In Exchange 2013 you can sometimes see the following event log error (MSExchange Store Driver Submission, ID 1012): The store driver failed to submit event <id> mailbox <guid> MDB <database guid> and couldn’t generate an NDR due to exception Microsoft.Exchange.MailboxTransport.StoreDriverCommon.InvalidSenderException   at Microsoft.Exchange.MailboxTransport.Shared.SubmissionItem.SubmissionItemUtils.CopySenderTo(SubmissionItemBase submissionItem, TransportMailItem message)   at Microsoft.Exchange.MailboxTransport.Submission.StoreDriverSubmission.MailItemSubmitter.GenerateNdrMailItem()   at Microsoft.Exchange.MailboxTransport.Submission.StoreDriverSubmission.MailItemSubmitter.<>c__DisplayClass1.<FailedSubmissionNdrWorker>b__0()   at Microsoft.Exchange.MailboxTransport.StoreDriverCommon.StorageExceptionHandler.RunUnderTableBasedExceptionHandler(IMessageConverter converter, StoreDriverDelegate workerFunction). And […]

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Exchange OWA and Multi-Factor Authentication

This article is now out of date Multi-factor authentication (MFA), that is the need to have a username, password and something else to pass authentication is possible with on-premises servers using a service from Windows Azure and the Multi-Factor Authentication Server (an on-premises piece of software). The Multi-Factor Authentication Server intercepts login request to OWA, […]

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Group Policy Import To Fix Google Chrome v37 Issues With Exchange Server and Microsoft CRM

A recent update to Google Chrome (37.0.2062.120) removed the ability to support modal dialog boxes. This are dialogs that require your attention and stop you going back to the previous page until you have completed the info required – these are very useful in workflow type scenarios. Google claim that as 0.004% of web sites […]

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2010 2013 EWS exchange exchange online Free/Busy OAuth Office 365

Exchange Online Free/Busy Issues with OAuth Authentication

Update: 10 Dec 2014: It is reported that this issue is fixed in CU7 for Exchange Server 2013 OAuth authentication is a new server to server authentication model available in Exchange 2013 SP1 and later and Exchange Online (Office 365). With OAuth enabled and Exchange hybrid in place and where you have multiple endpoints of […]

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2010 2013 EWS exchange exchange online hybrid IAmMEC iis Kemp Load Master Office 365 tmg

Exchange Web Services (EWS) and 501 Error

As is common with a lot that I write in this blog, it is based on noting down the answers to stuff I could not find online. For this issue, I did find something online by Michael Van “Hybrid”, but finding it was the challenge. So rather than detailing the issue and the reason (you […]

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2010 2013 64 bit aadrm ADFS ADFS 2.0 DLP DNS exchange exchange online https hybrid IAmMEC load balancer loadbalancer mcm mcsm MVP Office 365 powershell rms sharepoint warm

Configuring Exchange On-Premises to Use Azure Rights Management

This article is the fifth in a series of posts looking at Microsoft’s new Rights Management product set. In an earlier previous post we looked at turning on the feature in Office 365 and in this post we will look at enabling on-premises Exchange Servers to use this cloud based RMS server. This means your […]

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2010 2013 Azure cloud DNS exchange exchange online hyper-v IAmMEC Office 365 vhd vm vpn

An “Inexpensive” Exchange Lab In Azure

This blog post centres around two scripts that can be used to quickly provision an Exchange Server lab in Azure and then to remove it again. The reason why the blog post is titled “inexpensive” is that Azure charges compute hours even if the virtual machines are shut down. Therefore to make my Exchange lab […]

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2010 2013 cloud DNS EOP exchange exchange online Exchange Online Protection hybrid IAmMEC MX Office 365 smarthost smtp

Highly Available Office 365 to On-Premises Mail Routing

This article looks at how to configure mail flow from Office 365 (via Exchange Online Protection – EOP) to your On Premises organization to ensure that it is highly available and work in disaster recovery scenarios with no impact. It is based on exactly the same principle to that which I blogged about in 2012: […]

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2010 2013 archive cloud exchange exchange online Office 365 Outlook

Errors in Moving Exchange Archive Mailboxes to Office 365

I was trying to move an Archive mailbox to the Office 365 service from my demo environment the other day when I came across an error I thought I would note down here for completion. I could not find the error elsewhere on the internet An archive mailbox must be enabled before it can be […]

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2010 2013 aadrm exchange exchange online IAmMEC mcm mcsm Office 365 rms

Enabling and Configuring AADRM in Exchange Online

This article is the fourth in a series of posts looking at Microsoft’s new Rights Management product set. In the previous post we looked at turning on the feature in Office 365 and in this post we will look at how to manage the service in the cloud. In this series of articles we will […]

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2010 2013 exchange exchange online Office 365 Outlook rms

Message Classifications, Exchange 2013, Exchange Online and Outlook

Message Classifications are a way to tag email with a property that describes the purpose of the email, for example “Internal Use Only” might be a classification to tell the recipient of the email that the message should not be forwarded. Classifications are configured by administrators and appear shortly after creation in Outlook Web App, […]

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Cannot Send Emails To Office 365 or Exchange Online Protection Using TLS

I have found this is a common issue. You set up an Exchange Online Hybrid or Exchange Online Protection (EOP) stand alone service and follow all the instructions for the creating of the connectors needed, only to find that your emails queue in your Exchange Server. If you turn on protocol logging you get this […]