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How to Deploy vCenter Appliance | Nutanix VMware Cluster Field Installation – Part 3

Object This serial of posts is to demonstrate the Nutanix VMware Cluster Field Installation process with step-by-step procedures. Part 3 is to deploy a vCenter server for the Nutanix Cluster. Preparation 1 X Computer with Ethernet Connectivity, this PC will be used to deploy the vCenter server 1 x vCenter ISO that matches with your […]

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How to Configure Nutanix VMware Cluster Field Installation – Part 2

Nutanix HCI

Object This serial of posts is to demonstrate the Nutanix VMware Cluster Field Installation process with step-by-step procedures. Part 2 is for the Foundation VM Imaging process. Image Preparation Nutanix supports ONLY a list of image files for Hypervisor ISO images, AOS/NOS images, please be cautious and only use the ISO listed in the ISO

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How to Migrate Microsoft NPS to Server 2019

Office365, Wireless

Object This post will list out the step-by-step procedure to migrate the NPS role from server 2016 to server 2019. Environment The source server is Windows Server 2016 standard The destination is Windows Server 2019 standard Install NPS role on the destination server 2019 1. Go to Server Manager and click “Add Roles and Features”

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How to Poly VVX Phone Digimap Dial Plan Issue – Teams

MS Teams & Collaboration, Office365

Issue After disconnecting the connection between the on-prem Skype for Business 2015 server and Microsoft Teams cloud, we have shut down all Skype for the Business related server (front end, edge, reverse proxy) and the next day we got an issue with Polycom (now Poly) VVX 411 Phones, somehow the US dial plan is applied

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How to Configure Nutanix VMware Cluster Field Installation – Part 1

Nutanix HCI

Object This serial of posts is to demonstrate the Nutanix VMware Cluster Field Installation process with step-by-step procedures. Part 1 is for Foundation VM and network preparation before the imaging process. Nutanix is the industrial leader in the HCI field, its unique infrastructure combined the compute and storage together, its hardware & software can work

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How to configure FS S5810 switch stacking LACP DHCP

Routing and Switching

Object We recently purchased a couple of FS.com S5810 switches, after some testing, troubleshooting, we get them working and this post is to document the configurations conducted during the process. Configuration examples such as Virtual Switch Link, LACP, DHCP server, etc may help some people if you are struggling. Those Switches’ CLI is very much

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Ubiquiti Nanostation – How to Configure VLAN Trunking

Routing and Switching, Wireless

Object This post is to show you the way to configure VLANs on Ubiquiti Nanostation and demonstrate how to trunk the VLANs using over Point to Point Wireless. Ubiquiti Nanastations are very commonly used by customers when it is not feasible to connect two locations via fibre or the physical distance is over 100M for

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Microsoft Teams Direct Routing Audiocodes SBC Certificates Explanation

Cloud Based Security, MS Teams & Collaboration, Office365

Object This post is to explain the certificates used in Audiocodes SBC when you are configuring with Microsoft Teams Directing. Certificate configuration is essential for a secure SIP TLS connection between Microsoft Teams and your local SBC in both directions, as the “Phone System Direct Routing” interface allows ONLY TLS connections for SIP traffic from

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How to merge PFX certificate using OpenSSL

Cloud Based Security, Cloud Web Hosting

Object PFX is the filename extension of PKCS#12 format that stores many cryptography objects, you can imagine it as a “zip” or “tar.gz” file that contains the private key, actual certificate, trust root CA certificate. It is commonly used by Windows, Linux, and security devices such as firewalls, load balancers. This post will show you

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How to Remove Hybrid Modern Authentication Presence

MS Teams & Collaboration, Office365

Object Teams users experiences intermittent Presence issues after we decommissioned the legacy Skype for Business infrastructure, everything is fine but the user presence. Environment Troubleshoot and solution Looking around and suspecting there are still some leftover configurations, dug into the old Skype for Business document and discovered “Hybrid Modern Authentication” is enabled when we were

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