Rexxer

Some tips for me and other

Bitlocker asks the Recovery key at every boot

It happened due to Group Policy and Legacy boot in BIOS in my case. To fix:

Powershell + View&Delete Wi-Fi profile

Exchange 2019 + Error 500 OAuth certificate

If you delete expired certificates be ready for getting error 500 OAuth …. because this self-signed certificate was a critical point. If that happen you have to re-create a certificate or assign an existed one. The certificate will be propagated to all the Exchange servers.

ESXi + update GUI

ESXi 6.7 to 7.0.3 update for HP servers (custom image)

Network speed+ SSD/HDD

10GbE can be saturated by a single SAS3 SSD, two SAS2 SSDs, or 6 HDDs (assuming 200MB/s/drive). 5GbE can do about 3 HDDs, while 2.5GbE will bottleneck on just two HDDs. When you get into NVMe, you’re looking at saturating 25GbE with a single Gen3 drive.

Windows 11 + ESXi 6.7 + unsupported

Shift + F10 on the error screen, cmd will be opened, regedit.

Notepad++ + Regex for IPs

Windows domain + Restore trust relationship

Proxmox + Stop a blocked VM

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