About Dejan Foro

Dejan Foro is founder and CEO of Exchangemaster GmbH. He lives in Zurich, Switzerland and is a dedicated specialist, with 32 years of professional work experience in IT. Before starting Exchangemaster GmbH he worked as a system engineer and project manager with customers of all sizes and across many industries: From small ISV startups and a NGO humanitarian organizations up to largest international corporations like Stryker, Swisscom, British Telecom and Nyrstar. He spent his entire career delivering Microsoft based infrastructure solutions with main focus on Active Directory and Exchange. During those years, he collected a valuable work experience on 8 Exchange generations (2019, 2016, 2013, 2010, 2007, 2003, 2000 and 5.5) and has delivered services to a user base of more than 3.2 million mailboxes in on-premise, hybrid and Office 365 deployments. Beside working on customer projects, he is a regular speaker and expert at Microsoft conferences and user groups. As a Microsoft Certified Trainer he also teaches Microsoft Official Curriculum courses to technical professionals around Europe. For his work he has received numerous awards. In 2005 he was the first member to be elected into the MCP Hall of Fame by Windows IT Pro Magazine readers choice (as 1 of 6 worldwide). From 2005-2017, Dejan has been awarded by Microsoft Corporation with the yearly Microsoft Most Valuable Professional award in area of Exchange for 12 years in a row (one of approximately 100 worldwide and, at the time, the only 1 such in Switzerland).

FAQ 000152 – In-place upgrade from Dirsync to AD connect fails

This article applies to: Office 365 Dirsync Azure AD Connect   PROBLEM You have a machine that is configured to perform directory synchronization with Office 365 via Director Synchronization Tool (DirSync) . When you attempt an in-place upgrade to Azure Active Directory Connect tool (AD Connect), you receive the following error: DirSync is configured with options that

FAQ 000151 – How to troubleshoot e-mail delivery delays with Message Header Analyzer

This article applies to: Outlook 2016 Office 365 Message Header Analyzer   PROBLEM User reports that an e-mail message was delivered with a delay and as a first troubleshooting step, you need to figure out where exactly did the congestion occur.   SOLUTION The information about the exact congestion location is quite easy to get from the e-mail message header.  Along the e-mail

FAQ 000149 – How to change your time zone in Office 365

This article applies to: Office 365   PROBLEM Incorrect time zone is displayed in your Outlook Calendar when you login to the Office 365 portal.   SOLUTION You can change the time zone via the options in Office 365 portal. Follow the steps shown in this video:

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FAQ 000145 – User unable to login to Skype for Business service in Office 365 from an Android mobile device

This article applies to: Lync 2013 client on Android devices Skype for Business service hosted on Office 365 user logging into Office 365 via Active Directory Federation Services (ADFS)   PROBLEM A user is unable to login to Skype for Business Service hosted on Office 365 from his Android mobile device using the Lync 2013

FAQ 000144 – “Enter the credential storage password” prompt on Samsung Galaxy S4

This article applies to: MobileIron Samsung Galaxy S4 / Android 5.x Exchange ActiveSync   PROBLEM When you try to configure a mail profile onto your Samsung Galaxy Android device via MobileIron,  during configuration the user is prompted with the following message: Enter the credential storage password   SOLUTION On the mobile phone select Settings/Security/Clear Credentials.

FAQ 000142 – Exchange Hybrid Wizard error Subtask CheckPrereqs execution failed

This article applies to: Windows Server 2012 R2 Exchange 2013 CU9 Trend Micro antivirus Office 365 Exchange Hybrid Configuration Wizard   PROBLEM The Exchange Hybrid configuration Wizard reports the following error: Updating hybrid configuration failed with error 'Subtask CkeckPrereqs execution failed: Configure Organization Relationship Execution of the Get-FederatedOrganizationIdentifier cmdlet has thrown an exception. This may

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