Lsass.exe

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how reduce Lsass.exe bandwidth traffic because it is very high and take a lot  of internet connection bandwidth?
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Omar SoudaniSenior System Engineer

Commented:
closing port 389 might solve the problem for you.

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Commented:
how can I close it
and I have remote desktop users used the server from outside is there any effect if I close it
Omar SoudaniSenior System Engineer

Commented:
Go to windows firewall > Inbound Rules > Active Directory Domain Controller - LDAP (UDP-in) and change the connection to "Allow the connection if it is secure"

https://social.technet.microsoft.com/Forums/ie/en-US/0cdcec2c-1319-4016-b1ec-70caf7985435/need-help-lsassexe-uploading-at-full-capacity?forum=winserver8gen
Go to windows firewall > Advance Settings >  Inbound Rules > Active Directory Domain Controller - LDAP (UDP-in) and change the connection to "Allow the connection if it is secure".

If rule not exists, other than AD server create a new rule and apply.

Firewall-0.png
Firewall.png

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