Problem:
Certificate export fails with private key for Kaseya VSA. Particularly while following step 9 in the below document link where users fail to export the certificate with the private key to re-give it to Kaseya VSA.
https://helpdesk.kaseya.com/hc/en-gb/articles/115000637668-Using-An-Existing-SSL-Certificate-R9-4-or-later
Steps to Resolution:
1. Re-Key The Certificate.
2. Export and import into Kaseya VSA.
Re-Exporting the Certificate with the private key and re-importing into VSA resolves this issue.
The steps are highlighted on the following KB article link from Kaseya:
https://helpdesk.kaseya.com/hc/en-gb/articles/115000637668-Using-An-Existing-SSL-Certificate-R9-4-or-later