Same issue on our site vcsa 6.5a and esxi6.5a. Thanks a lot for post this vwic
After an embarrassingly long time looking at various things I finally found that the Oracle database my vCenter (Windows version) was pointing to had crashed. Why this lack of DB connectivity couldn't have been in a Windows Event or something easier to find than vpxd-svcs.log..
Hi All, This issue may occur due to several reasons such as:
To resolve this issue see VMware KB 503 Service Unavailable