Give the SEUM worker accounts "Allow log on locally" privileges (or put them in the local admin group):
Local Security Policy → Local Policies → User Rights Assignment → Allow log on locally → (assign the group or users this right)
Give the SEUM worker accounts "Allow log on locally" privileges (or put them in the local admin group):
Local Security Policy → Local Policies → User Rights Assignment → Allow log on locally → (assign the group or users this right)