troubleshooting
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Powershell
Reset unresponsive VM with Powershell PowerCLI
I had a recent use case to be able to check the reachability of a certain VM which had shown itself to be problematic. If the VM wasn’t responsive or had crashed, restarting the VM with a graceful restart via VMware…
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SQL
SQL Cluster computer account could not be configured
In working on an older Microsoft SQL Cluster server configuration recently, I ran into an issue with a lab copy of the SQL Cluster not bringing the SQL resources online as expected. After rejoining the domain and sychronizing everything with…
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NSX
Troubleshooting NSX VXLAN jumbo frames in nested lab
In working recently in a nested VMware environment running three clusters and NSX, I ran into a jumbo frames issue with VXLAN connectivity across the clusters. I was simulating different WAN/subnet environments using an Untangle appliance as a router in…
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VMware
There was an error connecting to NSX manager API
A quick issue I ran into yesterday connecting a restful API client to an NSX manager – “there was an error connecting”. As I had connected to this manager before using an API client, I knew that it was accessible…
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VMware
ESXi 6 Configure Management Network Greyed out
The other day when playing around “rather hard” with distributed switches and NSX, I broke my distributed switch implementation on one of my lab ESXi 6 hosts. I couldn’t ping the host, and also even worse, couldn’t get to the…
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Virtualization
ESXi 6.0 Install Can’t Have a Partition Outside the disk
This past week in working with a Supermicro lab host filled with 12 4TB drives, I ran into an issue with the ESXi 6.0 installer that was a bit peculiar – Can’t have a partition outside the disk. The storage…
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Windows 10
Windows 10 static address shows 169 address
Today I ran into a weird situation with a Windows 10 VM that I wanted to write up a quick post about. Having provisioned a Windows 10 VM from a sysprepped image, I quickly brought the VM up and started…
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SQL
Troubleshooting general SQL connectivity issues
There are quite a few things that an administrator may need to check when it comes to making sure connectivity to SQL is happy and healthy in your respective environments. As of late, I have put together a checklist of…
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SQL
See what user you are connecting to linked SQL server
I wanted to share with you guys a really handy little SQL query that is extremely useful if you are troubleshooting SQL Server linked server connectivity. You may have setup a local server login to remote server login mapping which…
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Windows
Kill a Windows service quick tip
Just a quick tip from the trenches that I have used numerous times over the years to deal with problematic Windows services. Let’s take a look at the “kill a Windows service quick tip”. You may have a service that…