Environment vCenter 7.0.2.00200 Problem Synology NAS hosting the vCSA shutdown due a heat problem. On restarting the lab the vCenter console shows [FAILED] Failed to start Filesystem Check on /dev/log_vg/log Resolution log in with the VCSA root password cat /etc/fstab shows the /storage/log filesystem is missing in the output e2fsck -y /dev/log_vg/log once all errors are cleared reboot -f
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https://kb.vmware.com/s/article/67179
While running the vSphere 6.7 VMware Migration Assistant I received the following error: This vCenter Server has extensions registered that cannot be upgraded to or may not work with the new vCenter Server. In my case, the extensions were no longer being used. So, I chose to just remove the offending extensions. 1. Create a snapshot or backup of your vCenter server. 2. Log into the Managed Object Browser (MOB). https://vcenterfqdn/mob 3. Select Content. 4. Select ExtensionManager. 5. Capture the VALUE of the Extension you wish to remove. (ex.com.vmware.vcHms): 6. Select UnregisterExtension 7. Enter the Value of the extension you wish to remove. Then, select Invoke Method. Confirm that you receive the Result of Void. 8. […]
Environment Dell M630 ESXi 6.7.0, 15160138 Image Profile: DellEMC-ESXi-6.7u3-14320388-A00 Problem Resolution I am not using any Intel Devices in these systems. I believe that these drivers are embedded with the Dell ESXi Image The following command will remove the VIB esxcli software vib remove –vibname=net-i40e After 2mins reboot
Environment vCenter 6.7u3 Problem vMotion Stuck at 21% Error 195887137 Resolution This one was related to a mix of MTU size. The vMotion VKernel set itself for 9000 when all other components were set to 1500
Environment Dell M630 Blade vCenter 6.7.0.400000 ESXi 6.7.0update03-14320388.x86_64-DellEMC_Customized-A00 Problem When upgrading VMware vSphere and your ESXi hosts to version 6.7u3 you may experience an error similar to: The upgrade contains the following set of conflicting: LSI_bootbank_scsi-mpt3sas_04.00.00.00.00.lvmw-10EM.500.0.0.472560 Remove the conflicting VIBs or use Image Builder to create a custom ISO.” – Funny i am using the custom Dell ISO which is strange as it works on other hosts in the cluster… i have noticed that it could be to do with the fact that my local disks are not showing I’ve not had chance to circle back on this yet. Resolution Always have a backup of your configuration just in case! […]
Environment vCenter 6.7u3 Problem I am trying to deploy a 2nd VCSA to an exisiting SSO Domain I get the following error A problem occurred while – Starting VMware Authentication Framework…2% Resolution (workaround) Follow the steps in the following KB from VMware Ensure you have a Snap Shot! https://kb.vmware.com/s/article/74678?lang=en_US&queryTerm=join+existing+sso+domain ethtool -K eth0 gso off ethtool -K eth0 tso off i did this on both source and destination servers just to be safe Proceed with your deployment! If you run into problems i would suggest opening a SR with VMware support as i have had nothing but problems personally
Environment vCenter 6.7u3 Veeam 9.5.4.2753 Tintri EC6070 Windows Server 2012 R2 Client Machine Problem So i have had a few Veeam backup jobs fail with the following error: Processing <Virtual Machine> Error: A general system error occurred: vim.fault.GenericVmConfigFault Within vCenter i also see the same error when trying to delete the snapshot. I tried creating and deleting a snapshot and i got the same error: Resolution WARNING: be careful of the files you are dealing with! Open the Datastore where your Virtual Machine is hosted and create a new folder i called my _JB_Temp Open your virtual machine directory Move the following files to the temp folder *.vmsd *.vmsn (VM […]
Environment Windows Server 2016 Core Roles Installed WSUS configured for SSL Problem After the installation of August.2019 Microsoft Security updates. I found my clients would no longer check in. At first i thought this might be because of a SSL problem as i run WSUS over 8531. I even attempted restoring to a previous backup to no avail so into the logs we go. I pulled up the c:\windows\windowsupdate.log and began to scour the logs for any clues. Logon Login failed for user ‘NT AUTHORITY\NETWORK SERVICE’. Reason: Server is in script upgrade mode. Only administrator can connect at this time. Resolution I can’t say for sure what the root cause […]
Environment Windows Server 2008 R2 Roles installed File and Storage Services Active Directory Domain Controller DNS Problem Today i am trying to demote a Domain Controller and ran into the following error. The operation failed because: Failed to configure the service NETLOGON as requested “The wait operation timed out” Resolution The problem was the servers DNS was pointing to itself using 127.0.0.1 Moving this to another DNS server in the Domain allowed me to complete the demotion.
