Friday, July 31, 2015

DAG Replication Woes

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I recently noticed that one of the hosts in my Exchange 2010 Database Availability Group was not properly replicating. Under each Mailbox, that host would show as failed. Based on what few errors were actually showing in the event log (The Microsoft Exchange Replication Service encountered a transient error while attempting to start a replication instance for Mailbox Database abcdefg\mail1. The copy will be set to failed. Error: The NetworkManager has not yet been initialized. Check the event logs to determine the cause.). Going to the logs just showed many logged instances of this exact message and not much else.
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Monday, July 13, 2015

Contacting server and signing in...

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Apparently Skype for Business (formerly Lync Online) 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..."
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Wednesday, July 8, 2015

Free CCNA Resources 2.0

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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 material. Feel free to add a link in the comments or let me know if a link no longer works. Most importantly, PLEASE let me know if I was fooled and listed something here that is less than reputable. Happy Studying!

The exam hasn't changed real drastically from the 640-802 version, some tweaks but nothing drastic. So don't be scared away from anything written specifically to that exam.

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Saturday, July 4, 2015

The Rack is up and Partially Populated

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So here's how I spent the 4th of July. The rack has been sitting in a corner of the garage in pieces since we moved, and the gear has been in a pile in a corner of the basement. I spent the afternoon putting it up, and I've got half of the gear racked. None of my good switches (1x 3750, 1x2960, 1x3550) are in it yet, but it's getting there.

Some of this equipment was purchased for the CCNA many moons ago, much of it was picked up on the job (both from my company and from clients) when it became destined for recycling after an upgrade. The good switches get some love in the lab, but the rest is mostly sentimental at this point.
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