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.

Fortinet

Connectivity for Remote COVID-19 Vaccination Clinics

Portable Internet Service One of our healthcare clients needed a solution for running COVID-19 vaccination clinics in a parking lot or pavilion.

Exchange

Who is Still Vulnerable to the HAFNIUM Threat in WNC?

Vulnerable Exchange Servers In the wake of the Exchange Zero-day vulnerabilities, Advanced Data was concerned about how many vulnerable servers were left

Exchange

Exchange Server Zero-Day Vulnerabilities

Last week, Microsoft released patches to resolve four severe vulnerabilities in Exchange Server that are being exploited by a Chinese state-sponsored group

Microsoft

Review of Teams Microsoft Business Phone System 2021

Now that we have installed Teams with Microsoft Business Phone System for clients (and passed the Teams exam) we want to share

Certifications

Passed MS-700 Managing Microsoft Teams Exam

Today I took the Managing Microsoft Teams (MS-700) exam and I passed!  Lately we've had some clients express interest in

Microsoft

Microsoft Teams Phone Missing Dialpad

Recently we setup and installed Teams with Microsoft 365 Business Voice using Yealink MP54 / T55a phones for a client.  A post about

Networking

FortiGate IPS is Blocking Everything

This afternoon we received several reports all at once that the internet was down. Interestingly we were able to reach client locations,

Uncategorized

Remove Pending patches in bulk - Windows Server

The following post was submitted by Jon Worley in response to a server stuck in a boot loop due to pending updates

Fortinet

Unable to remove FortiManager from a FortiGate

In order to resolve a failed relationship between a FortiGate and FortiManager we needed to remove the FortiGate.  In FortiManager this worked

Uncategorized

Outlook clients not authenticating, but OWA and ActiveSync work fine

We had an issue where a clients' Outlook connectivity stopped working and they were continuously prompted for credentials.  Mysteriously OWA and

Cisco

CCAPI: Internal Error (Software Error)

We changed a customer from PRI to SIP trunk and after the change, the Exchange UM stopped working for calls coming in

Uncategorized

Exchange Transport rule based on a group recipient

Regarding IT Projects for Exchange Server, a transport rule can apply actions to messages based on the recipient address.  If you however

Cisco

Escape Sequence for a SM-X switch module in a 4000 series ISR

On the pre 4000 series ISRs you would use the regular Cisco escape sequence to exit a service module -- CTRL-SHIFT-6 followed