MessageStats Account logging on with logon Type 8 - Network Clear Text (4277879)

When running gathering tasks, the following events can be seen in the security log on the MessageStats server:

"Computer: ALVQMSW01
Description:
Successful Network Logon:
User Name: svc-messagestats
Domain: Domain
Logon ID: (0x0,0x5BB56C49)
Logon Type: 8
Logon Process: Advapi
Authentication Package: Negotiate
Workstation Name: ALVQMSW01
Logon GUID: {d5beeb30-ee10-fed4-04f5-412751f93456}
Caller User Name: svc-messagestats
Caller Domain: Domain
Caller Logon ID: (0x0,0x5BB53FB4)
Caller Process ID: 6116
Transited Services: -
Source Network Address: -
Source Port: -"