Categorie: Solutions

Veeam Guest Credentials test failed

13 april 2023 Solutions
I was trying to add my laptop to my local Veeam Backup & Replication server but was unsuccessful in adding it to a protection group. The error I received was: Veeam Guest Credentials test failed: rpc connection failed First I tried all the obvious… Adding ports to the local firewall……

Reset your Windows password in 5 minutes

12 april 2023 Solutions
Every once in a while you run into a server that is not in a domain and nobody knows the Administrator password. What do you do? When you boot the server with a standard Windows ISO file you go into the recovery options and open a Command window. In that…

Reporting on your Windows Server backup

18 januari 2021 Powershell Script Solutions
A while ago I blogged about backing up my virtual home lab for free with Veeam Backup & Replication 10. The server on which I installed this is a Windows Server 2016 server that is also used for backing up my home PCs and laptops. And on this server I…

Windows Server 2019 customization issue

5 november 2020 PowerCli Solutions VMware
I was asked by a colleague to help him with a problem he had customizing a Windows Server 2019 deployment. He had no problem customizing a Window Server 2016 VM so had no idea what the problem was. The first thing I did was a manual deployment. I created a…

Packer and WinRM – mystery resolved

1 november 2020 Solutions VMware
A while ago I started exploring Hashicorp Packer in order to learn more about a new way of creating Windows template VMs. Traditionally, you create a VM, attach the Windows ISO file and of you go… But with Packer, you can define the whole thing in code and store that…

Remediation did not succeed

26 september 2020 Solutions VMware
I was patching a lot of ESXi hosts but had some trouble with one of the clusters. Remediation did not work and in the Events for the first host I saw two events:Could not install patches on <host name>Remediation did not succeed for <host name> A quick search on the…

Troubleshooting Host Profiles

2 september 2020 Solutions VMware
A while ago I was working with host profiles to get the hosts compliant with the CIS Benchmarks (https://www.cisecurity.org/benchmark/vmware/). But for some reason, I could not remediate some of the hosts. Issue #1 The error I got was pretty generic… I started looking at log files and decided to download…

ESXi Events flooded… Firewall configuration has changed.

8 juli 2020 Solutions VMware
I was investigating an event that would appear every two minutes, flooding the Events on the host. So the first event in the sequence is “Port vmk1 is now protected by Firewall”. Followed by “Firewall configuration has changed. Operation ‘allowall’ for rule set iSM succeeded” and finally “Firewall configuration has…

Migrating Windows PSC to VCSA – failed to send HTTP data

15 juni 2020 Solutions VMware
I was working on a migration to get rid of a vCenter/PSC running on a Windows server. So I started the VMware Migration Assistant on the PSC that I wanted to migrate. Then I started the vCenter Server Appliance Installer on a different Windows server and filled in the configuration…