Recently upgraded to 2016 Domain Controllers and now the VPN will not work via LDAPS. I've verified that LDAPS works on our client machines and using the LDP.exe tool and can establish a connection. Below is the error when performing a test on the ASA.
"Connect to LDAP server failed"
"Unable to read rootDSE"
Not sure if this an ASA or Domain Controller(2016) issue and ran wireshark which shows a "RST flag" from the ASA. Also came across this thread but the URL the user posted seemed to show a different problem. [https://www.reddit.com/r/networking/comments/7ey59e/asa\_ldaps\_issues\_after\_updating\_dcs\_from\_2008r2/](https://www.reddit.com/r/networking/comments/7ey59e/asa_ldaps_issues_after_updating_dcs_from_2008r2/)
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