Hi, and thanks for your responses.
I did the test with both localhost and the Windows station, and here are the results
Logged as cn=Directory Manager
[29/Sep/2016:20:41:59 +0100] conn=7219 op=0 BIND dn="cn=Directory Manager" method=128 version=3
[29/Sep/2016:20:41:59 +0100] conn=7219 op=0 RESULT err=0 tag=97 nentries=0 etime=0 dn="cn=directory manager"
[29/Sep/2016:20:41:59 +0100] conn=7219 op=1 SRCH base="cn=user,cn=DefaultObjectClassesContainer,ou=1.1,ou=admin,ou=Global Preferences,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:41:59 +0100] conn=7219 op=1 RESULT err=0 tag=101 nentries=1 etime=0
...
[29/Sep/2016:20:42:22 +0100] conn=7219 op=46 SRCH base="cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=1 filter="(objectClass=nsApplication)" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=46 SORT cn (2)
[29/Sep/2016:20:42:22 +0100] conn=7219 op=46 RESULT err=0 tag=101 nentries=2 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=47 SRCH base="cn=389 Administration Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=1 filter="(objectClass=netscapeServer)" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=47 SORT cn (2)
[29/Sep/2016:20:42:22 +0100] conn=7219 op=47 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=48 SRCH base="cn=configuration,cn=admin-serv-idm01,cn=389 Administration Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=48 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=49 SRCH base="cn=configuration,cn=admin-serv-idm01,cn=389 Administration Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=49 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=50 SRCH base="cn=configuration,cn=admin-serv-idm01,cn=389 Administration Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=50 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=51 SRCH base="cn=admin-serv-idm01,cn=389 Administration Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=51 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=52 SRCH base="cn=389 Administration Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=52 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=53 SRCH base="cn=ResourceEditorExtension,ou=1.1,ou=admin,ou=Global Preferences,ou=mydomain.tld,o=NetscapeRoot" scope=1 filter="(objectClass=nsAdminResourceEditorExtension)" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=53 RESULT err=0 tag=101 nentries=6 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=54 SRCH base="cn=389 Directory Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=1 filter="(objectClass=netscapeServer)" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=54 SORT cn (2)
[29/Sep/2016:20:42:22 +0100] conn=7219 op=54 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=55 SRCH base="cn=configuration,cn=slapd-idm01,cn=389 Directory Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=55 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=56 SRCH base="cn=configuration,cn=slapd-idm01,cn=389 Directory Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=56 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=57 SRCH base="cn=configuration,cn=slapd-idm01,cn=389 Directory Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=57 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=58 SRCH base="ou=Console,ou=cn\3DDirectory Manager,ou=UserPreferences,ou=mydomain.tld,o=NetscapeRoot" scope=2 filter="(objectClass=*)" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=58 RESULT err=0 tag=101 nentries=12 etime=0 notes=U
[29/Sep/2016:20:42:22 +0100] conn=7219 op=59 SRCH base="ou=1.1.14,ou=Console,ou=cn\3DDirectory Manager,ou=UserPreferences,ou=mydomain.tld,o=NetscapeRoot" scope=2 filter="(objectClass=*)" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=59 RESULT err=0 tag=101 nentries=5 etime=0 notes=U
[29/Sep/2016:20:42:22 +0100] conn=7219 op=60 SRCH base="cn=DS_MISCELLANEOUS,ou=1.1.14,ou=Console,ou=cn\3DDirectory Manager,ou=UserPreferences,ou=mydomain.tld,o=NetscapeRoot" scope=2 filter="(objectClass=*)" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=60 RESULT err=0 tag=101 nentries=1 etime=0 notes=U
[29/Sep/2016:20:42:22 +0100] conn=7219 op=61 SRCH base="cn=DS_MISCELLANEOUS,ou=1.1.14,ou=Console,ou=cn\3DDirectory Manager,ou=UserPreferences,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs="nsPreference"
[29/Sep/2016:20:42:22 +0100] conn=7219 op=61 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=62 SRCH base="cn=slapd-idm01,cn=389 Directory Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:42:22 +0100] conn=7219 op=62 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:22 +0100] conn=7219 op=63 SRCH base="o=NetscapeRoot" scope=2 filter="(uid=*)" attrs="uid"
[29/Sep/2016:20:42:22 +0100] conn=7219 op=63 RESULT err=0 tag=101 nentries=1 etime=0 notes=U
[29/Sep/2016:20:42:23 +0100] conn=7219 op=64 SRCH base="cn=slapd-idm01,cn=389 Directory Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:42:23 +0100] conn=7219 op=64 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:23 +0100] conn=7219 op=65 SRCH base="cn=389 Directory Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:42:23 +0100] conn=7219 op=65 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:42:23 +0100] conn=7219 op=66 SRCH base="cn=ResourceEditorExtension,ou=1.1,ou=admin,ou=Global Preferences,ou=mydomain.tld,o=NetscapeRoot" scope=1 filter="(objectClass=nsAdminResourceEditorExtension)" attrs=ALL
[29/Sep/2016:20:42:23 +0100] conn=7219 op=66 RESULT err=0 tag=101 nentries=6 etime=0
2- Windows station
389-Console for Windows version 1.1.15
[29/Sep/2016:20:34:38 +0100] conn=6821 fd=65 slot=65 connection from 192.168.104.16 to 172.16.16.12
[29/Sep/2016:20:34:38 +0100] conn=6821 op=0 BIND dn="cn=Directory Manager" method=128 version=3
[29/Sep/2016:20:34:38 +0100] conn=6821 op=0 RESULT err=0 tag=97 nentries=0 etime=0 dn="cn=directory manager"
...
[29/Sep/2016:20:34:46 +0100] conn=6821 op=46 SRCH base="cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=1 filter="(objectClass=nsApplication)" attrs=ALL
[29/Sep/2016:20:34:46 +0100] conn=6821 op=46 SORT cn (2)
[29/Sep/2016:20:34:46 +0100] conn=6821 op=46 RESULT err=0 tag=101 nentries=2 etime=0
[29/Sep/2016:20:34:46 +0100] conn=6821 op=47 SRCH base="cn=389 Administration Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=1 filter="(objectClass=netscapeServer)" attrs=ALL
[29/Sep/2016:20:34:46 +0100] conn=6821 op=47 SORT cn (2)
[29/Sep/2016:20:34:46 +0100] conn=6821 op=47 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:34:47 +0100] conn=6821 op=48 SRCH base="cn=configuration,cn=admin-serv-idm01,cn=389 Administration Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=48 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:34:47 +0100] conn=6821 op=49 SRCH base="cn=configuration,cn=admin-serv-idm01,cn=389 Administration Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=49 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:34:47 +0100] conn=6821 op=50 SRCH base="cn=configuration,cn=admin-serv-idm01,cn=389 Administration Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=50 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:34:47 +0100] conn=6821 op=51 SRCH base="cn=admin-serv-idm01,cn=389 Administration Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=51 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:34:47 +0100] conn=6821 op=52 SRCH base="cn=389 Administration Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=52 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:34:47 +0100] conn=6821 op=53 SRCH base="cn=ResourceEditorExtension,ou=1.1,ou=admin,ou=Global Preferences,ou=mydomain.tld,o=NetscapeRoot" scope=1 filter="(objectClass=nsAdminResourceEditorExtension)" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=53 RESULT err=0 tag=101 nentries=6 etime=0
[29/Sep/2016:20:34:47 +0100] conn=6821 op=54 SRCH base="cn=389 Directory Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=1 filter="(objectClass=netscapeServer)" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=54 SORT cn (2)
[29/Sep/2016:20:34:47 +0100] conn=6821 op=54 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:34:47 +0100] conn=6821 op=55 SRCH base="cn=configuration,cn=slapd-idm01,cn=389 Directory Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=55 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:34:47 +0100] conn=6821 op=56 SRCH base="cn=configuration,cn=slapd-idm01,cn=389 Directory Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=56 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:34:47 +0100] conn=6821 op=57 SRCH base="cn=configuration,cn=slapd-idm01,cn=389 Directory Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=57 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:34:47 +0100] conn=6821 op=58 SRCH base="ou=Console,ou=cn\3DDirectory Manager,ou=UserPreferences,ou=mydomain.tld,o=NetscapeRoot" scope=2 filter="(objectClass=*)" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=58 RESULT err=0 tag=101 nentries=12 etime=0 notes=U
[29/Sep/2016:20:34:47 +0100] conn=6821 op=59 SRCH base="ou=1.1.14,ou=Console,ou=cn\3DDirectory Manager,ou=UserPreferences,ou=mydomain.tld,o=NetscapeRoot" scope=2 filter="(objectClass=*)" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=59 RESULT err=0 tag=101 nentries=5 etime=0 notes=U
[29/Sep/2016:20:34:47 +0100] conn=6821 op=60 SRCH base="cn=DS_MISCELLANEOUS,ou=1.1.14,ou=Console,ou=cn\3DDirectory Manager,ou=UserPreferences,ou=mydomain.tld,o=NetscapeRoot" scope=2 filter="(objectClass=*)" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=60 RESULT err=0 tag=101 nentries=1 etime=0 notes=U
[29/Sep/2016:20:34:47 +0100] conn=6821 op=61 SRCH base="cn=DS_MISCELLANEOUS,ou=1.1.14,ou=Console,ou=cn\3DDirectory Manager,ou=UserPreferences,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs="nsPreference"
[29/Sep/2016:20:34:47 +0100] conn=6821 op=61 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:34:47 +0100] conn=6821 op=62 SRCH base="cn=slapd-idm01,cn=389 Directory Server,cn=Server Group,cn=idm01.mydomain.tld,ou=mydomain.tld,o=NetscapeRoot" scope=0 filter="(|(objectClass=*)(objectClass=ldapsubentry))" attrs=ALL
[29/Sep/2016:20:34:47 +0100] conn=6821 op=62 RESULT err=0 tag=101 nentries=1 etime=0
[29/Sep/2016:20:34:47 +0100] conn=6821 op=63 SRCH base="o=NetscapeRoot" scope=2 filter="(uid=*)" attrs="uid"
[29/Sep/2016:20:34:47 +0100] conn=6821 op=63 RESULT err=0 tag=101 nentries=1 etime=0 notes=U
As you can see the two entries are detected on both connections, but on windows I can't see the Directory Server entry (see attachments).
Just to give more details.
The setup we have, is a master slave installation, I did the installation, but I don't manage the servers, there is another person who does.
I week ago, the problem begun, the weirder thing, is when we connect to the slave server from windows all is perfect, the problem is only with the master, and only remotely.