In vcenter server 6.0 U3b , from vpxd logs.
--> Panic: Win32 exception: Access Violation (0xc0000005)
--> Read (0) at address 0000000000000058
--> rip: 00007ffde6a18cc0 rsp: 0000000018ede918 rbp: 00000000113f4a40
This issue occurs due to Microsoft SQL databases not supporting shared connections.
Solution:- Upgrade vcenter server/PSC by 6.0 U3c/d
For more information refer