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HAve an issue connecting to one esxi host after upgrading from esxi 6 to 6.7,
Checked Firewall, prereqs etc but just cannot connect to this host no matter what. I can connect to another host from the same place I have Python installed. If anyone has any ideas they are most welcome!

Below is what is returned when trying to connect via command prompt

Traceback (most recent call last):
File "C:\Program Files (x86)\Python39-32\lib\site-packages\urllib3\connection.
py", line 169, in _new_conn
conn = connection.create_connection(
File "C:\Program Files (x86)\Python39-32\lib\site-packages\urllib3\util\connec
tion.py", line 96, in create_connection
raise err
File "C:\Program Files (x86)\Python39-32\lib\site-packages\urllib3\util\connec
tion.py", line 86, in create_connection
sock.connect(sa)
ConnectionRefusedError: [WinError 10061] No connection could be made because the
target machine actively refused it

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\Program Files (x86)\Python39-32\lib\site-packages\urllib3\connectionp
ool.py", line 699, in urlopen
httplib_response = self._make_request(
File "C:\Program Files (x86)\Python39-32\lib\site-packages\urllib3\connectionp
ool.py", line 382, in _make_request
self._validate_conn(conn)
File "C:\Program Files (x86)\Python39-32\lib\site-packages\urllib3\connectionp
ool.py", line 1010, in _validate_conn
conn.connect()
File "C:\Program Files (x86)\Python39-32\lib\site-packages\urllib3\connection.
py", line 353, in connect
conn = self._new_conn()
File "C:\Program Files (x86)\Python39-32\lib\site-packages\urllib3\connection.
py", line 181, in _new_conn
raise NewConnectionError(
urllib3.exceptions.NewConnectionError: : Failed to establish a new connection: [WinError 10061] No conn
ection could be made because the target machine actively refused it

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\Program Files (x86)\Python39-32\lib\site-packages\requests\adapters.p
y", line 439, in send
resp = conn.urlopen(
File "C:\Program Files (x86)\Python39-32\lib\site-packages\urllib3\connectionp
ool.py", line 783, in urlopen
return self.urlopen(
File "C:\Program Files (x86)\Python39-32\lib\site-packages\urllib3\connectionp
ool.py", line 783, in urlopen
return self.urlopen(
File "C:\Program Files (x86)\Python39-32\lib\site-packages\urllib3\connectionp
ool.py", line 755, in urlopen
retries = retries.increment(
File "C:\Program Files (x86)\Python39-32\lib\site-packages\urllib3\util\retry.
py", line 574, in increment
raise MaxRetryError(_pool, url, error or ResponseError(cause))
urllib3.exceptions.MaxRetryError: HTTPSConnectionPool(host='192.168.7.11', port=
5989): Max retries exceeded with url: /cimom (Caused by NewConnectionError(': Failed to establish a new
connection: [WinError 10061] No connection could be made because the target mac
hine actively refused it'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\Program Files (x86)\Python39-32\lib\site-packages\pywbem\_cim_http.py
", line 315, in wbem_request
resp = conn.session.post(
File "C:\Program Files (x86)\Python39-32\lib\site-packages\requests\sessions.p
y", line 590, in post
return self.request('POST', url, data=data, json=json, **kwargs)
File "C:\Program Files (x86)\Python39-32\lib\site-packages\requests\sessions.p
y", line 542, in request
resp = self.send(prep, **send_kwargs)
File "C:\Program Files (x86)\Python39-32\lib\site-packages\requests\sessions.p
y", line 655, in send
r = adapter.send(request, **kwargs)
File "C:\Program Files (x86)\Python39-32\lib\site-packages\requests\adapters.p
y", line 516, in send
raise ConnectionError(e, request=request)
requests.exceptions.ConnectionError: HTTPSConnectionPool(host='192.168.7.11', po
rt=5989): Max retries exceeded with url: /cimom (Caused by NewConnectionError(': Failed to establish a
new connection: [WinError 10061] No connection could be made because the target
machine actively refused it'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\Program Files (x86)\Python39-32\check_esxi_hardware.py", line 780, in

instance_list = wbemclient.EnumerateInstances(classe)
File "C:\Program Files (x86)\Python39-32\lib\site-packages\pywbem\_cim_operati
ons.py", line 2775, in EnumerateInstances
result = self._imethodcall(
File "C:\Program Files (x86)\Python39-32\lib\site-packages\pywbem\_cim_operati
ons.py", line 1823, in _imethodcall
reply_data, self._last_server_response_time = wbem_request(
File "C:\Program Files (x86)\Python39-32\lib\site-packages\pywbem\_cim_http.py
", line 323, in wbem_request
raise ConnectionError(msg, conn_id=conn.conn_id)
pywbem._exceptions.ConnectionError: Failed to establish a new connection: [WinEr
ror 10061] No connection could be made because the target machine actively refus
ed it; OpenSSL version used: OpenSSL 1.1.1k 25 Mar 2021

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:\Program Files (x86)\Python39-32\check_esxi_hardware.py", line 781, in

except pywbem.cim_operations.CIMError as args:
AttributeError: module 'pywbem' has no attribute 'cim_operations'