23 septembre 2013

Troubleshooting virtual machine performance issues

Here is our third Support Insider Live video episode with tips straight from the mouths of our front-line Technical Support Engineers. Our video today features Sajjad Siddicky talking about his go-to tools for troubleshooting performance issues with virtual machines. Performance of our vms is something we are all concerned with, but where does one start? Check out this two minute video: --> please see the rest on the blog : http://blogs.vmware.com/kb/2013/09/troubleshooting-virtual-machine-performance-issues.html
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17 décembre 2012

Autodiscover -Dépannage

http://mediadl.microsoft.com/MediaDL/WWW/S/support/fr/2709287/2709287-autodiscoverTB.wmv   --> a voir sur le site : http://blogs.technet.com/b/fruc/archive/2012/12/12/autodiscover-d-233-pannage.aspx 
Posté par jcdemarque à 14:41 - - Commentaires [0] - Permalien [#]
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20 mars 2012

PCoIP Troubleshooting / VMware VIEW

I don't think it wouldn't be a bold statement for me to say that "out of the box" Teradici's PCoIP display protocol can perform flawlessly on a LAN or High-Speed WAN environment. However this may not always be the case and certainly over slow remote WAN links PCoIP can present a poor user experience. (Equally, so can any other remote display protocols) Due to the nature of VDI, remote offices with low bandwidth, high latency connection are all to familiar. Initially performance is often poor and occasionally unusable. It's at this... [Lire la suite]
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19 février 2012

HEADER FIREWALL IN EXCHANGE 2010

Anyone who has worked with Exchange is sure to have come across message headers in emails. Helpdesk and other teams use it to troubleshoot transport issues in the environment. Message headers are exposed if you are using Outlook, but you do have to get the properties of the message.   Whenever you have examined a message header, you would have noticed that it contains internal Exchange server fqdn and IP addresses, which also exposes the AD domain details. In Exchange 2010, you can use header firewall to hide the internal... [Lire la suite]
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19 février 2012

Troubleshooting VMware View 5 – Part 1

Overview In today’s post we’ll tackle the most common failure points in VMware View 5 and talk about the best ways to troubleshoot them when issues arise. The failure points we’ll review include: Network connectivity failure between client and connection or security serve Network connectivity failure between desktops and connection server Failure to create a pool VM stuck in provisioning state VM stuck in customizing state USB redirection problems After learning about the different points of failure you should look out... [Lire la suite]
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13 novembre 2011

Troubleshooting Jumbo Frames in VMware

ow to troubleshoot Jumbo Frames with Vmkping on ESXi hosts or Ping on Windows servers. “Jumbo frames” is the ability of using larger Ethernet frames than the default of 1518 bytes. As explained herethis could increase the total throughput of the network and also decrease load on both hosts and storage. In this blog post we will see how to verify that Jumbo Frames has been correctly configured and actually is working. When configuring Jumbo Frames we typically define the new MTU (Maximum Transmission Unit) which... [Lire la suite]
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26 janvier 2011

Free Tools for Troubleshooting Windows Storage Performance Problems

Introduction Troubleshooting performance issues can be some of the toughest problems to diagnose, particularly those involving storage performance issues.  In many cases, a system administrator must be intricately familiar with the underlying storage architecture to effectively troubleshoot storage slowdowns.  Fortunately, there are a variety of free tools that can be used to monitor storage performance metrics to help determine what is causing your storage woes. Task Manager To get a cursory view of the problem,... [Lire la suite]
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24 janvier 2011

Exchange 2010 SP1: The Troubleshooters

When managing an Exchange 2010 server organization in a production environment, an Exchange Administrator many times wants to keep track of things like Database Latency, Disk Space problems, search issues, user needs, and more. PowerShell was created to give us more power in our admin efforts, and many books have already been written to assist us with mastering the ins and outs of PowerShell Programming. What if I told you that you already had some examples of PowerShell programming, right on your Exchange server? And they are pretty... [Lire la suite]
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