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OndrejFlag for Czechia

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Active Directory error

Hello, i have the single Active directory server (WS2012R2), after installing update kb4586845, i have error when i try open dsa.msci get error: The directory schema is not accessible because an invalid directory pathname was passed. After i click OK, show the next error: Data from active directory users and computers is not available from domain controller because: The user name or password is incorrect. DCDIAG return:  Ldap search capability attribute search failed on server DC01, return value = 16
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Farbood Najafi
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Check if in the hosts file an invalid IP address for the domain controller itself is defined.  
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ASKER

Thanks, i think, my hosts file is correct:
# Copyright (c) 1993-2009 Microsoft Corp.
#
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
#
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
#
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
#
# For example:
#
#      102.54.94.97     rhino.acme.com          # source server
#       38.25.63.10     x.acme.com              # x client host

# localhost name resolution is handled within DNS itself.
#   127.0.0.1       localhost
#   ::1             localhost


Better you remove this KB and check again. If you have option to open MS case, open it. As it is a recent update from MS, i doubt there will be any solution available. Better not to push updates on servers, whenever they are released. For my clients, i keep them on 3 month old updates. As MS is known for buggy updates.
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ASKER

Hello, i try uninstall KB, system state recovery to previous date, but the problem is still here.
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Ondrej
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Accept: 'Ondrej' (https:#a43196290)

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