vSphere Health detected new issues in your environment 6.7

Symptom:  You start seeing the alarm “vSphere Health detected new issues in your environment” and it won’t go away. I wrote about this alarm with one cause: Memory Exhaustion with a Tiny deployment in my other blog. If you navigate to your vCenter appliance website (https://vcenter.company.com:5480) and see memory warnings, check the fix in that …Read More…

Netapp 3rd-party CA certificates expiring DeutscheTelekomRootCA2

Symptom: Your ONTAP 9.x system is giving errors about third party CA certificates expiring. Source = mgwd “mgmtgwd.certificate.expiring: A digital certificate with Fully Qualified Domain Name (FQDN) Class2PrimaryCA, Serial Number 85BD4BF3D8DAE369F694D75FC3A54423, Certificate Authority ‘Class 2 Primary CA’ and type server-ca for Vserver Netapp1 will expire in the next 4 day(s).” “mgmtgwd.certificate.expiring: A digital certificate with …Read More…

Step by Step: Upgrade vCenter VCSA 6.0 (or 6.5) to 6.7

These screenshots show the entire process to upgrade vCenter from 6.0 to 6.7 using a Windows 10 desktop as my administrative workstation.   The same steps work for vCenter 6.5 to 6.7. Preparing for the vCenter appliance upgrade Appliance Upgrade Stage 1 Errors that can occur during stage 1 If you used the wrong password for …Read More…

How to fix or change vCenter root password expired 6.5 and 6.7

¬†Symptoms Your vCenter 6.5 or 6.7 server automatically expired your root password You left the default setting to expire the root password in your vCenter Appliance When you try to log on to the management website :5480 with root, it says the password is expired. You know what the root password is. How to …Read More…

How to rename Windows Server 2016 Domain Controller

This article is for you if… You want to rename your domain controller but haven’t yet You renamed your domain controller wrong and now you see DCDIAG errors and references to the old name (ack!) You manually updated the File Replication Service entries in Active Directory. You are worried your metadata is not correct You …Read More…

A general runtime error occurred adding host – VMware vCenter and ESXi

Symptoms: When attempt to add a new vSphere host to vCenter, an error appears after entering the host credentials: “A general runtime error occurred” You clicked YES on the certificate prompt. You have a cluster with EVC enabled, and you are attempting to add the host to that cluster You are using vCenter 6.0 , …Read More…

How to fix Netapp expired self-signed certificate by creating a new one

Symptom: You are using ONTAP 9x (your Netapp is fairly new, within the last 4-5 years.  These instructions probably don’t apply to old Netapp devices) Symptom: When you look at the diagnostic logs on your Netapp, you get a warning that the certificates are expiring or expired: Event:mgmtgwd.certificate.expiring: A digital certificate with Fully Qualified Domain …Read More…