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News
Oct
3
HP Colour LaserJet M476dw Firmware Bug – DHCP Assigns Self IP for Gateway
Posted by Philip Elder on 03 October 2014 05:10 PM

Original Posted Here: HP Colour LaserJet M476dw Firmware Bug – DHCP Assigns Self IP for Gateway

After beating our collective heads against the wall wondering why our newly deployed HP Colour LaserJet M476dw refused to make SMTP connections for Scan to E-mail we found our source in the _very_ last place we expected.

image

IP Address Configured by: DHCP
IP Address: 192.168.75.6
SubNet Mask: 255.255.255.0
Gateway: 192.168.75.6

Note that the gateway address currently points to _itself_ instead of the router that is assigning the IPs.

This is the IPConfig /ALL output for one of the systems on the network:

image

Note the Gateway address is correctly pointing to the router.

What this means is that for now we are setting the IPv4 configuration to Manual and putting in the correct IP address for the Gateway:image

What a pain that has been.

Sure enough:image

The above status came out really quick and so did the test e-mail:

image

So, after all of the time we spent getting frustrated with the ISP, thinking they had blocked SMTP outbound, and everything else in between the least expected source for the problem has turned out to be the one.

NOTE: Printer firmware was updated to the most current version as of this writing.

NOTE TO SELF: Check the hanger bearing before replacing that rear-end! ;)

Philip Elder
Microsoft Cluster MVP
MPECS Inc.
Co-Author: SBS 2008 Blueprint Book

Chef de partie in the SMBKitchen ASP Project
Find out more at
Third Tier: Enterprise Solutions for Small Business


Read more »



Apr
21
A Microsoft Cluster Troubleshooting Guide
Posted by Philip Elder on 21 April 2014 01:02 PM

Original Post Here: MPECS Inc. Blog: A Microsoft Cluster Troubleshooting Guide

Here are some of the tools we can use when troubleshooting a cluster, Scale-Out File Server, Hyper-V, and other cluster issues:

Failover Cluster Manager 

The FCM gives us the ability to dig into the various Windows Logs and delimit them by time, node, and log type.

  • FCM –> Cluster Name –> Cluster Events –> Query

image

We set up a few different queries out of the box. One with everything Cluster, Failover Clustering, and Hyper-V related. We then create a subset of queries. The various queries get saved to a local folder on the management DC/RSAT system.

Get-ClusterLog

The Get-ClusterLog PowerShell commandlet allows us to pull the full log set from one or all nodes. Note that the default output folder is NODEC$WindowsClusterCluster.LOG (C:WindowsClusterCluster.LOG) unless specified in the command.

This log can be very busy and a bit of a challenge to work through. If one has a good idea of what to look for then the log can be quite informative.

  • Get-ClusterLog -Destination .
    • Places the log in the local directory (we create C:Temp on all nodes for this kind of thing)
  • (get-cluster).ClusterLogLevel=5
    • There are five levels with 5 being the most verbose. Default level is 3 and best left there unless absolutely needed. Level 5 file can be large.

EDIT: The Default cluster log location is C:WindowsClusterReportsCluster.log

Microsoft Message Analyzer

This is an in-depth tool. There is no way around it. Thus, a learning curve is required.

However, there is an amazing amount of information that we can then have at our fingertips and not only that colour coded!

image

image

One can use a series of filters under the log file settings to delimit by time period among others.

image

We can set up our columns:

image

Once we have our Cluster column, for example when looking for a problematic cluster component, we can set up a filter:

image

And that is just the tip of the iceberg. One will need to spend some time with this tool to really get into its abilities such as colour coding source node, information levels, and so much more!

Please check the Message Analyzer Blog for more information.

Note that an absence of System Centre and its components is deliberate. We find, at least at this time, that Failover Cluster Manager provides a far superior cluster management experience.

Philip Elder
Microsoft Cluster MVP
MPECS Inc.
Co-Author: SBS 2008 Blueprint Book

Chef de partie in the SMBKitchen ASP Project
Find out more at
Third Tier: Enterprise Solutions for Small Business


Read more »



Aug
23
Dealing with an Emergency
Posted by Reprinted Article on 23 August 2013 08:06 AM

Some days are a bit tougher than others.

image

Apparently the big gap the kitten used to get into the back side of the box holding up the garage heating system’s water tank was not the way he ultimately decided to exit.

One of the major lessons learned over the years when it comes to confronting a serious problem is first to _not_ panic.

If the situation was dire, then there may be a need to put the back against the wall and squat down all the while doing controlled breathing exercises to gain a hold on the rush of adrenalin, fears, and angst that is surely to be happening.

Taking that first step to be somewhat calm in the midst of what could be utter chaos is critical.

From there, we need to walk through and discover as many steps as we can that led to the problem we are facing. Finding out as much information about the circumstances prior to the emergency can be very helpful in figuring out a diagnosis and the next steps to get out of the situation.

Yes, folks may be hovering over and repeatedly interrupting us as we try and work our way back into a functioning system. A gentle, “We are working on the situation, we will update you as soon as there are any changes” will go a long way towards reducing those interruptions that can actually pose a grave threat to a successful completion of the task(s) at hand.

Make sure to have paper and pens/pencils in hand. Write everything down.

We should have our own laptop/ultrabook/tablet and a cell modem set up. Also, we need to have the client’s network audit notes open and available for immediate perusal. Using our own equipment would help keep things calm and on the level due to being familiar with our own equipment.

In other words, in as much as we possibly can, be prepared.

Oh, and use caution if a drive will be required to get to the client site!

image

Needless to say he was stuck in there for quite a while before yours truly rescued him by getting him out the same way he got into that hole that was _just_ enough for his head to fit through!

Philip Elder
MPECS Inc.
Microsoft Small Business Specialists
Co-Author: SBS 2008 Blueprint Book

Chef de partie in the SMBKitchen
Find out more at
www.thirdtier.net/enterprise-solutions-for-small-business/

Windows Live Writer


Read more »



Aug
23
Dealing with an Emergency
Posted by Reprinted Article on 23 August 2013 08:06 AM

Some days are a bit tougher than others.

image

Apparently the big gap the kitten used to get into the back side of the box holding up the garage heating system’s water tank was not the way he ultimately decided to exit.

One of the major lessons learned over the years when it comes to confronting a serious problem is first to _not_ panic.

If the situation was dire, then there may be a need to put the back against the wall and squat down all the while doing controlled breathing exercises to gain a hold on the rush of adrenalin, fears, and angst that is surely to be happening.

Taking that first step to be somewhat calm in the midst of what could be utter chaos is critical.

From there, we need to walk through and discover as many steps as we can that led to the problem we are facing. Finding out as much information about the circumstances prior to the emergency can be very helpful in figuring out a diagnosis and the next steps to get out of the situation.

Yes, folks may be hovering over and repeatedly interrupting us as we try and work our way back into a functioning system. A gentle, “We are working on the situation, we will update you as soon as there are any changes” will go a long way towards reducing those interruptions that can actually pose a grave threat to a successful completion of the task(s) at hand.

Make sure to have paper and pens/pencils in hand. Write everything down.

We should have our own laptop/ultrabook/tablet and a cell modem set up. Also, we need to have the client’s network audit notes open and available for immediate perusal. Using our own equipment would help keep things calm and on the level due to being familiar with our own equipment.

In other words, in as much as we possibly can, be prepared.

Oh, and use caution if a drive will be required to get to the client site!

image

Needless to say he was stuck in there for quite a while before yours truly rescued him by getting him out the same way he got into that hole that was _just_ enough for his head to fit through!

Philip Elder
MPECS Inc.
Microsoft Small Business Specialists
Co-Author: SBS 2008 Blueprint Book

Chef de partie in the SMBKitchen
Find out more at
www.thirdtier.net/enterprise-solutions-for-small-business/

Windows Live Writer


Read more »




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