ESXi

ESXi 6.5 – 503 Service Unavailable

June 10, 2019 Jordansphere ESXi

Problem There was a storage issue which caused one particular host not to recover correctly.  I was unable to login to the ESXi GUI and when I tried to restart the management services the GUI completely stopped functioning with the following error: 503 Service Unavailable (Failed to connect to endpoint: [N7Vmacore4Http16LocalServiceSpecE:0x03ff40e8] _serverNamespace = / action = […]

More

ESxI gui 503,

Host profile apply failed with error: Error: A specified parameter was not found

June 3, 2019 Jordansphere ESXi

Issue: Running vSphere 6.7 I applied a host profile to a cluster. A couple of hosts didnt like the host profile so I decided to detach it entriely.  I was still presented with the error: Host profile apply failed with error: Error: A specified parameter was not found   Resolution There are two ways of […]

More

host profile error, host profiled apply failed,

NSX Alert: Possible DHCP DOS Attack on Host

April 1, 2019 Jordansphere ESXi

Problem Running NSX. 6.4.3. An error was keep appearing on one of our 6.7 ESXi hosts: NSX Alert: Possible DHCP DOS attack on host   Resolution I believe this is a false positive from a bug in 6.4.x To check if there are any issues log into the affected ESXi host and run the following […]

More

NSX Alert, Possible DHCP DOS Attack on Host,

Adding vNICs in UCS Causes vmnic Reorder in ESXi 6.5

October 3, 2018 Jordansphere Cisco UCS

Problem I added two new vNics to UCS. When I rebooted I realised there was something wrong. One of my iSCSI paths was down and one of the new vmnics wasnt working at all.   Troubleshooting After much investigation it appeared that the NICS in the ESXI had been re-ordered. Looking at the UCS I […]

More

Unable to SSH or HTTPS to ESXi 6.5 Host

September 7, 2018 Jordansphere ESXi

Problem I was unable to connect to an ESXi host via SSH and HTTPS. However, DCUI still worked (and the host was still connected in vCenter) so we knew the password was correct   Troubleshooting Logging in via the DCUI and connect to the ESXi Shell (ALT+F1) Check the user is not locked out: pam_tally2 –user […]

More

Determining Build Number and Version for ESXi via vSphere Web Client

June 21, 2017 Jordansphere ESXi

To determine the version and update your ESXi hosts are running, use the following method. It is assumed that vCenter is running in your environment.   First of all we need to get build number: Log in to the vCenter using the web client Click Hosts and Clusters -> {your vCenter} -> {your Datacenter} -> […]

More

Check the IP Address of iDRAC via ESXi Host

December 7, 2016 Jordansphere ESXi

Problem: Due to a disk failure I was trying to ascertain whether a partciular remote ESXi host had an iDRAC port and what the IP address was   Resolution: To find this: Click the host in question via vSphere Client -> Select Hardware Status -> The  expand the Baseboard Management Controller Sensor  

More

Dell, esxi, Idrac, IP Address,

VCNS 5.5 – Upgrade Failed. Root Fileystem Full

October 14, 2016 Jordansphere ESXi

When trying to upgrade VCNS 5.5.3 to 5.5.4 I was presented with this error: Message: Could not untar /common/em/downloads/image/image-vsm-vsm-5.5.4-2504419.img.dist   This suggested to me there was a partition full somwhere on the vShield Manager VM To check this: Open the console of the VSM VM. Default username/passwords are:  Username: admin Passowrd: default Enable: default #' show […]

More

5.5, root system full, vcns,

Failed to Initialize SSL Session to Remote Host 

July 22, 2016 Jordansphere ESXi

I had a miniature test lab consisting of 1 host and 1 vCenter 6.0 appliance. When I installed the VCSA on the host I was suddenly unable to connect to the console of the VMs I had previously created.   When I connected via the ESXi host I was presented with the following message: Unable to […]

More

Unable to Guest Customize Debian in vCloud Director 5.5

August 6, 2015 Jordansphere ESXi

  I deployed a Debian VM from the public catalogue. I then requested vCloud Director to give it an IP address from the Static IP Pool. This showed as being successful in the VCD portal but I could not ping the VM when it was powered on. I logged in via the console and the […]

More

« Previous Posts

Powered by WordPress. Designed by elogi.