FreeCCNAWorkbook.com in Packet Tracer - Section 4

In this previous post, I began to look into working through the Free CCNA Workbook in Packet Tracer.  I had worked through the first three sections, and found that while there were some unsupported commands here and there, there was not anything missing that I would consider to be a show stopper so far.  So moving along, I have worked through Section 4 tonight and here's what I found. For...

FreeCCNAWorkbook.com in Packet Tracer Through Section 3

I had a discussion with somebody on line a while back on the feasibility of working through the labs at freeccnaworkbook.com using Cisco Packet Tracer. After a little back and forth and a lot of thought on the matter, I decided to give it a try rather than continue to speculate. Since I haven't used the program in years, I logged into my NetAcad account and downloaded the latest version (6.2.0.0052)...

Login failed. The login is from an untrusted domain and cannot be used with Windows authentication.

I encountered this problem today on a server running SCVMM 2012. I found a lot of things online suggesting a lot of different possible solutions, but none of them worked for me. Most of the possible solutions involved configuration errors with authentication, but this has worked fine for some time, and only today started giving this problem. Besides that, this server hosts the databases for a number...

Yast2 Modules Not Loading in OpenSUSE Leap

I finally upgraded my system from 13.2 to Leap 42.1. There were a few problems along the way, but overall it was a smooth upgrade. I remembered to remove the nVidia drivers, but forgot to disable the nVidia repository so it installed a driver that no longer supports my trusty 8600GT. After figuring that out, networking wasn't working but just needed quickly reconfigured, same for sound. But the one...

AlwaysOn Availability Groups and User Accounts

I recently built a AlwaysOn Availablity Group for my companies database server on SQL Server 2012. With three databases for mission critical applications running on the database server, we needed a little more protection than a weekly backup that we can restore.  So I took two fresh servers, installed Windows Server 2012 Standard and SQL Server 2012 Enterprise on each and found this link,...

Exchange Server component Mailbox role: Mailbox service failed.

The short version of this story is READ THE LOGS!  Now here's the long version. I was trying to install Exchange 2013 in my lab environment and kept running into this error consistently. I scoured the Internet and tried everything that was suggested for anything even similar, with no success. At one point I even scrapped the VM and built a new Server 2012R2 VM from scratch, and the same thing...

Contacting server and signing in...

Apparently Office 365 has this neat feature where your password expires but it doesn't want you to know. This morning I logged into my computer, grabbed my first cup of coffee of the day and sat down.  About 30 minutes later I got an email informing me that I was not signed into Lync.  And sure enough, the client is sitting there still saying "Contacting server and signing in......

Free CCNA Resources 2.0

Do you want to become a CCNA with little or no cost out of pocket beyond taking the exam(s)? Between my own attempt at the CCNA and my association with forums and blogs where we eat, sleep and breathe Cisco networking, I have collected a number of free resources that I have collected together here in once place in hopes that it will be of help. I'll try to keep this list up to date as I find new...

Networking on Alienvault as a HyperV Guest

The information here was compiled while using Alienvault 4.6 and I know that 4.3 required the same steps. If you're using a different version, you may need to take different or additional steps. If you're using a newer version, perhaps this is all sorted out already...

Stuck Disc in Nintendo Wii

My daughter has friends over today and they wanted to play an old Nintendo Gamecube game on the Wii as there is no working Gamecube in the house. Naturally it wasn't reading, and it wouldn't eject either. These are the little 2 inch mini CDs. She thought she remembered us putting a second disc in there...

Hyper-V replication across the WAN

I've recently been working on Hyper-V replication across the Internet to give our clients the option of maintaining an offsite copy of their server in our data center. Everything was going smoothly up to a point. I set up a site-to-site VPN connection between them and us, built an Active Directory two way trust between their domain and ours, and then tried to enter their Hyper-V host into our System...

Workstation Unable to Join Domain

I had a computer that would not join a domain. No matter what I tried, it would come back with "The following error has occurred when trying to join the "abcdefg.com" domain: network path not found."  I tried just about everything I came across while searching on Google: Disable Windows Firewall Run ipconfig /registerdns Run dcdiag on the domain controller Verify FSMO roles of the domain controller Verify...