Monday, August 26, 2019

Exchange RBAC Example - Provide User access to manage Contacts

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In June 2010, I wrote an article explaining how Exchange Role Based Access Control (RBAC) works - a new feature released with Exchange 2010...
Sunday, June 16, 2019

Unable to remove RDS Session Host

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A customer had a failed RDS Session Host which needed to be removed from a cluster.  We were not able to login to the failed host as it was...
Tuesday, May 21, 2019

Azure AD Seamless SSO - Prompts on Connecting to aadg.windows.net.nsatc.net

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At a customer site when attempting to access the https://myapps.microsoft.com/companydomain.com portal to test Single Sign-on with Azure A...
Wednesday, May 15, 2019

Office 365 Tab not working in Exchange Admin Center

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After running the Hybrid Configuration Wizard, the Office 365 tab doesn't work by default which catches out many people.  The tab is fo...
Wednesday, May 8, 2019

Exchange 2010 and Exchange 2016 co-existance Free/Busy Issues

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I have a lab environment containing Office 365, Exchange 2016 and Exchange 2010.  Free busy is not working from O365 --> 2010 or Exchang...
Sunday, April 28, 2019

Cisco Router messed up SMTP TLS with Office 365

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Mail routing from Office 365 to an on-premise Exchange Server was working successfully. Mail flow from the on-premises Exchange Server to...
Sunday, December 9, 2018

Microsoft causing issues for on-premises Exchange Customers

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Microsoft is causing issues for on-premises customers running Exchange to try and push customers to move to their servers in Office 365.  A...
Wednesday, October 24, 2018

Pressure mounting from Microsoft on Skype for Business Usage

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Everyone in the IT Community knows by 2018 that Microsoft's primary vision is to no longer to make software for on-premises usage but t...
Thursday, September 13, 2018

Azure AD Application Proxy Overview, Deployment Process and Limitations

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One of my customers came to me enquiring about publishing some on-premises applications through the cloud using Azure AD Application Prox...