To work around the problem, restart services or applications that perform LDAP referral chasing to free TCP dynamic ports. If restarting applications that perform LDAP referral chasing returns normal functionality on machines that installed KB 4025337 and KB4025341, you may be experiencing this issue. Applications and roles known to make these referrals may include Outlook.exe, DFSR, and others. For more information about setting the registry key, see Microsoft Knowledge Base article 4034879.ĭue to a defect in WLDAP32.DLL, applications that perform LDAP referral chasing can consume too many dynamic TCP ports (potentially exhausting them) after installing KB4025337 and KB4025341. Security updates to Microsoft Graphics Component, Windows Search, Windows kernel-mode drivers, Windows Virtualization, Windows Server, Windows Storage and File Systems, Datacenter Networking, Windows shell, ASP.NET, Microsoft PowerShell, Windows kernel, and Microsoft NTFS.įor more information about the security vulnerabilities resolved, please refer to the Security Update Guide.Īfter installing the security updates for CVE-2017-8563, administrators need to set registry key LdapEnforceChannelBinding to enable the fix for the CVE. No new operating system features are being introduced in this update. This security update includes quality improvements. Security-only update Improvements and fixes
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