after close the RPC range port (491*personal details removed*) from K2 server to domain controller, it will need quite a long time for the user to login K2 site, have you encountered such issue?
K2 Performance issue related RPC ports
Hi,
Perhaps this might help, K2 firewall and ports link.
https://help.k2.com/onlinehelp/k2blackpearl/icg/4.7/default.htm#Prepare/Firewall_Settings.htm
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