Recently created a brand-new Vcenter 6.7 and have a strange issue with Veeam and the Vcenter firewall. When I tried to add Vcenter to Veeam it kept failing. I discovered I had to add an allow rule to the new 6.7 Firewall in the Appliance Management console. Things worked great for a few weeks until this morning when my backups failed. I went into the properties section of Veeam and re-ran the credential check and it failed again. So back to the Vcenter Firewall. Rule was still in place to allow. Deleted the rule and re-added it, re-ran the credential check in Veeam and it is working fine again. The only thing I did was remove the rule and re-add it. Anyone else come across this?
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