Error Code [91:139] - Unable to connect to virtual machine host [] as user [].

Communication or permission error between client and vCenter host.

Symptoms

Log contains error similar to:

ERROR CODE [91:139]: Unable to connect to virtual machine host [ ] as user [ ]. [Cannot complete login due to an incorrect user name or password.] Source: [ ], Process: vsdiscovery

Causes

Possible causes:

• Communication/Firewall ports 443, 902, and 903 are not open to vCenter host.
• VSA User Account is disabled.
• VSA Password or User Name is incorrect.
• Hostname resolution (DNS) failing.
• vCenter configuration prevents user access.

Resolution

• Try logging into vCenter directly using VSA account and password. Correct any errors.
• Use Network Test Tool to check communication from CommServe, Proxy Client, and MediaAgent hosts. Correct any errors.
• Verify ports 443, 902, and 903 are open to vCenter host. Open any closed ports.
• Retry the job.