Exchange 2013, 2016, and 2019 generate huge amounts of logs by default. This fills up your C: drive quickly. Follow these steps to free up space…
Category: Computers
Exchange server very slow, services and network blank
Symptoms: Control Panel, Network Properties, and Services won’t open. Information Store “starting”. Windows Exchange Server 2007 2010 2013. Fix steps…
Exchange 2016 DAG – 3 servers 2 sites
How Exchange DAG works across sites, the client experience, how to size your Exchange servers with DAG, and how to do health checks and maintenance safely.
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…
vCenter 6.7 Memory Exhaustion and vSphere health (Tiny)
How to solve the vSphere Health Issue alert for vCenter 6.7 with a Tiny deployment… memory exhaustion errors
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. Is your existing vCenter server running on Windows? This article is primarily about upgrading vCenter appliances (linux-based). If you have a Windows vCenter server, …Read More…
How to prepare for a DoD CMMC audit and certification
Coming in 2020, the DoD Cyber Security Lead has announced the Cybersecurity Maturity Model Certification (CMMC) for Dod Contractors. Learn 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
Everything you need to know about renaming 2016, 2012, or 2019 domain controllers. Do NOT rename using System > Computer Name, you will break AD!
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…