Resolving Exchange Assistants "TransientMailboxException" error, Event ID 9041

I recently encountered a mail flow problem in an Exchange 2016 environment, that was being caused by the DNS configuration on the Exchange server’s network interface. The Application log of the Exchange server was flooded by event ID 9041: Log Name: Application Source: MSExchange Assistants Date: 10/6/2016 4:56:46 PM Event ID: 9041 Task Category: Assistants… Read More »

Azure AD Connect 1.1.281.0 released

Microsoft has released the latest increment of Azure AD Connect, which is used to integrate your on-premises directories with the Azure AD. The latest release contains a significant number of fixes and improvements, including changes to the *-ADSyncSyncCycle cmdlets. Full set of fixes: Changes to sync interval does not take place until after next sync… Read More »

How to resolve “An error occurred” in CRM for Office 365 with ADFS

This error can occur in a topology where an ADFS server is used for authenticating to Office 365 and the CRM Online service. When starting the CRM for Office 365 plug-in, the users receive the following error message during the ADFS authentication: An error occurred An error occurred. Contact your administrator for more information. Error… Read More »

Resolving Web Application Proxy error code 0x80075213

I have have worked on a case where external access to the ADFS service was  blocked and the Remote Access Management console on the WAP server fails with this error:   Web Application Proxy could not connect to the AD FS configuration storage and could not load the configuration. Make sure that the Web Application… Read More »

How to resolve Mail Users not synced to Azure AD

In a recent support case, the migration of mail boxes from an on-premise Domino platform to Exchange Online was started, but the migration got stuck because the on-premises accounts, enabled as Mail Users, did not appear in “Contacts” in the Exchange Online Admin Center. Also, in the on-premises environment Azure AD Connect was present and… Read More »

Windows update changes Group Policy Security Filtering (MS16-072)

With the 14. June 2016 patches, Microsoft released a Windows update that changes how Security Filtering is processed for Group Policies, and this change may cause group policies to fail on company computers. To solve the potential issue, follow the instructions below and ensure to apply one of the recommended resolution steps. MS16-072: Security update… Read More »

Cumulative Updates released for Exchange 2016 and Exchange 2013

Microsoft has just released the Exchange Server 2013 Cumulative Update 13 and the Exchange Server 2016 Cumulative Update 2. These updates include both normal fixes to customer reported issues and updated functionality. Added functionality and fixes: .Net 4.6.1 Support AutoReseed Support for BitLocker SHA-2 Support for Self-Signed Certificates Migration to Modern Public Folder Resolved (KB3161916)… Read More »

Reference to msExchRecipientDisplayType, msExchRecipientTypeDetails and msExchRemoteRecipientType values

Integrating an on-premise Active Directory and Exchange organization with Microsoft Cloud Services will require attention to new elements and details. As an example the list of object attributes in the on-premises Active Directory schema differs from the attributes in the Azure and Office 365 services directory platforms. An example is three critical values that are… Read More »

DirSync and Azure AD Sync end-of-support

Although Azure AD Connect has been released for some time, both DirSync and Azure AD Sync are still supported for performing synchronization from an on-premises Active Directory to Azure AD/Office 365 – although Azure AD Connect is definitely the recommended solution. Microsoft recently announced that DirSync and Azure AD Sync are now deprecated and both… Read More »

How to resolve OFFCAT “must be installed with elevated permissions on Windows Server” error

During a recent Office 365 troubleshooting scenario I needed to install the Microsoft Office Configuration Analyzer Tool (OFFCAT), but noticed that OFFCAT cannot be installed on Windows Server 2012 R2 using the default installation process. In this case OFFCAT throws the following error: The cause of issue is User Account Control that does not grant… Read More »