Exchange Transport Rules Corrupt On Installing New Exchange Server Version

When you install Exchange Server into an existing Exchange organization, your existing configuration typically remains intact and associated with the previous servers and some configuration, that is global in nature, also works across both versions. I can across a scenario where this does not work the other day. The scenario was the installation of Exchange… Continue reading Exchange Transport Rules Corrupt On Installing New Exchange Server Version

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

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..… Continue reading Exchange Server Object ID Error With Windows Server 2016 Domain Controllers

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… Continue reading Exchange Edge Server and Common Attachment Blocking In Exchange Online Protection

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… Continue reading Exchange Server and Missing Root Certificates

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 different geographies and we needed to accommodate the users qualifications in their email signature. The problem with this is that in Germany qualifications… Continue reading Qualifications in Exchange Signatures

DSC for Exchange Server

At DevConnections 2015 and at UCDay I delivered talks on DSC for Exchange Server 2013. The sample files are available from my OneDrive 

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… Continue reading Unable To Send Exchange Quota Message

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,… Continue reading Exchange OWA and Multi-Factor Authentication

SSL and Exchange Server

In October 2014 or thereabouts it became known that the SSL protocol (specifically SSL v3) was broken and decryption of the encrypted data was possible. This blog post sets out the steps to protect your Exchange Server organization regardless of whether you have one server or many, or whether or not you use a load… Continue reading SSL and Exchange Server

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

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… Continue reading Exchange Online Free/Busy Issues with OAuth Authentication

Office 365 ProPlus XML Config Files Are Case Sensitive

The XML file used for the configuration of Office 365 ProPlus is case sensitive. In a client I have been working with the UpdatePath value in the install XML file was accidently specified using “Updatepath” and not “UpdatePath” (case sensitive). This resulted in the UpdateUrl in the registry (HKLM\Software\Microsoft\Office\15.0\ClickToRun\Scenario\INSTALL\UpdateUrl) not being set correctly, and even… Continue reading Office 365 ProPlus XML Config Files Are Case Sensitive

Creating Mailboxes in Office 365 When Using DirSync

This blog post describes the process to create a new user in Active Directory on-premises when email is held in Office 365 and DirSync is in use. With DirSync in use the editable copy of the user object is on-premises and most attributes cannot be modified in the cloud. Creating the User Open Active Directory… Continue reading Creating Mailboxes in Office 365 When Using DirSync