Terence Luk

Tackling the daily challenges of technology... one project at a time.

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Monday, January 18, 2021

Load Balancing Exchange Server 2019 with Citrix ADC / NetScaler

One of the most common questions I am asked by colleagues and clients is in regards to how they can publish Exchange Servers behind a Citrix...

Attempting to log into Freshservice configured with ADFS fails with: "Login was unsuccessful! - Validation Failed : ["The status code of the Response was not Success, was Requester => InvalidNameIDPolicy"]"

Problem You’ve successfully completed configuring Freshservice with your on-premise ADFS so users can use their Active Directory credentia...

Attempting to install an add-in with the "Add from the Office Store" feature with an Exchange 2016 mailbox fails with: “Due to the level of permissions required, your administrator has not allowed you to install this app."

Problem You have an Exchange Server 2016 CU18 (Version 15.1 Build 2106.2)‎ environment and noticed that when users attempt to install an a...

Editing a Microsoft Teams Guest Name

One of the questions I’ve been frequently ask over the last few months is how to edit the name of a guest who is being invited into a Micros...

Monday, December 14, 2020

Citrix ADC / NetScaler monitors for Exchange 2019 fails with: "Failure - Time out during SSL handshake stage"

Problem You’re attempting to publish / load balance your on-premise Exchange 2019 servers behind a Citrix ADC / NetScaler but notice that ...

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