How to install a Windows-CA-Signed Certificate on VMWare Server 2.0x

Make a backup of /etc/vmware/ssl/rui.crt and rui.key
Generate a new server key: openssl genrsa -out rui.key 2048
Generate a CSR: openssl req -new -key rui.key -out server.csr
Go to the Certificate Services web interface on one of your DCs, and select “Request a Certificate”
1. Select “advanced certificate request”
2. Select “Submit a certificate request by using a base-64-encoded CMC or PKCS #10 file, or submit a renewal request by using a base-64-encoded PKCS #7 file.”
3. Paste the CSR text into the “Saved Request” field, and select “Web Server”, and Submit the request
4. Select “Base 64 encoded”, and “Download certificate”
Transfer the certificate to the Linux box running VMWare Server
Copy/rename the new certificate (certnew.cer) over rui.crt
Do a “service vmware restart”
Voila! A trusted certificate. No more web browser/VMWare Client messages about invalid certificates

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