Brian Scheewe

Brian Scheewe is CTO of Advanced Data & Network Solutions. He brings deep technical leadership to the company's work in managed IT, networking, cybersecurity, and infrastructure strategy, with a strong background in industry certifications and hands-on problem solving. Brian writes about practical IT operations, security, and the technical decisions that help businesses build more reliable systems.

Articles by this author

Insights and updates from the ADNS team.

Cisco

Restart a single context on an ASA with virtual instances

The Cisco ASA firewall can run as virtual host for multiple virtual ASA's known as contexts.  We recently ran into

Networking

Ruckus AP not connecting to Virtual SmartZone

Here are a list of things to troubleshoot when a Ruckus AP is not registering to a Virtual SmartZone (VSZ) cloud controller.

Cisco

Upgrading IOS-XE firmware on a 4000 series router

Had an issue where I was not able to successfully upgrade the IOS firmware on a Cisco 4351 router.  This model of

Infrastructure

Barracuda ADC Load Balancer – How to show client IPs and not the proxy IP address – Part 2

In my first post on showing the client IP addresses through a Barracuda ADC load balancer, I showed how to get Direct

Infrastructure

Barracuda ADC Load Balancer - How to show client IPs and not the proxy IP address - Part 1

In order to see the client origination IP address on the real back-end servers when a Barracuda ADC load balancer is used

Exchange

Speed up Mailbox Migration to Exchange 2013

As an IT managed services company we're often asked to do various IT projects. We found a solution for moving

Cisco

NetFlow setup for 3750x with C3KX-SM-10G

The Cisco 3750x switch does not support NetFlow natively, but the C3KX-SM-10G module has ASICs that support NetFlow.  With the C3KX-SM-10G module,

Networking

Barracuda ADC Load Balancer with OWA - Login loop

We had a problem with Barracuda's ADC load balancer and Outlook Web App for Exchange 2013.  The user would get

Exchange

Exchange 2013 DAG: Can't add a database copy

IT Support We had an issue when attempting to add a database copy for any mailbox databases in a new DAG.  We

Exchange

Exchange 2013 - Can't access ECP, 500 Unexpected Error

We had an issue with a client migrating from Exchange 2007 to 2013 where we couldn't access ECP on any

Networking

Ubiquiti AP powers up & reachable via wifi, but no link on LAN

We've seen this happen twice recently with different customers so thought we should post our solution.  We have seen where

Cisco

Adding PoE to a Cisco 890 Series Router

(C891FW-A-K9) In order to add PoE to an 891 router, the datasheet says you need "800-IL-PM-4 with 125W PSU."  I

Adtran

Outbound faxes from a Dialogic SR140 not using T.38

Had an issue with an IP fax server (RelayFax with a Dialogic SR140 connecting via SIP trunk to an Adtran SBC) where