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| === Zimbra auto-provisioining === | | === External LDAP authetication ( zimbraAuthLdapExternalDn ) === |
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| ; '''This article explains how to configure automatic user provisioning, if Zimbra is configured to use external LDAP (Active Directory). ''' : ''More information on how to configure Zimbra with AD can be found: [[https://wiki.zimbra.com/wiki/Configure_authentication_with_Active_Directory here]]'' | | ; '''This article explains how to configure external LDAP athentication (AD or LDAP), using the zimbraAuthLdapExternalDn attribute. |
| | ''' : ''More information on how to configure Zimbra with AD can be found: [[https://wiki.zimbra.com/wiki/Configure_authentication_with_Active_Directory here]]'' |
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| ==== Solution ==== | | ==== Solution ==== |
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| '''1. Create a file with the following entries:'''
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| $ vim /tmp/autoprov.txt
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| md example.com zimbraAutoProvAccountNameMap "samAccountName"
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| md example.com zimbraAutoProvAttrMap description=description
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| md example.com zimbraAutoProvAttrMap cn=displayName
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| md example.com zimbraAutoProvAttrMap givenName=givenName
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| md example.com zimbraAutoProvAttrMap sn=displayName
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| md example.com zimbraAutoProvAuthMech LDAP
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| md example.com zimbraAutoProvBatchSize 40
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| md example.com zimbraAutoProvLdapAdminBindDn "CN=Administrator,CN=Users,DC=example,DC=com"
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| md example.com zimbraAutoProvLdapAdminBindPassword secret
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| md example.com zimbraAutoProvLdapBindDn "Administrator@example.com"
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| md example.com zimbraAutoProvLdapSearchBase "OU=zimbrausers,dc=example,dc=com"
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| md example.com zimbraAutoProvLdapSearchFilter "(cn=%u)"
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| md example.com zimbraAutoProvLdapURL "ldap://192.168.0.1:389"
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| md example.com zimbraAutoProvMode EAGER
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| md example.com zimbraAutoProvNotificationBody "Your account has been auto provisioned. Your email address is ${ACCOUNT_ADDRESS}."
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| md example.com zimbraAutoProvNotificationFromAddress prov-admin@example.com
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| md example.com zimbraAutoProvNotificationSubject "New account auto provisioned"
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| ms server.example.com zimbraAutoProvPollingInterval "1m"
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| ms server.example.com +zimbraAutoProvScheduledDomains "example.com"
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| The options are self-explanatory. The ones that you might want to change according to your environment are:
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| :zimbraAutoProvLdapAdminBindDn
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| :zimbraAutoProvLdapAdminBindPassword
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| :zimbraAutoProvLdapSearchBase
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| :zimbraAutoProvLdapURL
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| For the last two entries starting with '''ms''', you have to use your server's fqdn.
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| ----
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| '''2. Execute the file:'''
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| $ zmprov < /tmp/autoprov.txt
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| :prov> md example.com zimbraAutoProvAccountNameMap "samAccountName"
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| :prov> md example.com zimbraAutoProvAttrMap description=description
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| :prov> md example.com zimbraAutoProvAttrMap cn=displayName
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| :prov> md example.com zimbraAutoProvAttrMap givenName=givenName
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| :prov> md example.com zimbraAutoProvAttrMap sn=displayName
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| :prov> md example.com zimbraAutoProvAuthMech LDAP
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| :prov> md example.com zimbraAutoProvBatchSize 40
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| :prov> md example.com zimbraAutoProvLdapAdminBindDn "CN=Administrator,CN=Users,DC=azmo,DC=com"
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| :prov> md example.com zimbraAutoProvLdapAdminBindPassword Zimbra1
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| :prov> md example.com zimbraAutoProvLdapBindDn "Administrator@example.com"
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| :prov> md example.com zimbraAutoProvLdapSearchBase "OU=zimbrausers,dc=azmo,dc=com"
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| :prov> md example.com zimbraAutoProvLdapSearchFilter "(cn=%u)"
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| :prov> md example.com zimbraAutoProvLdapURL "ldap://192.168.56.70:389"
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| :prov> md example.com zimbraAutoProvMode EAGER
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| :prov> md example.com zimbraAutoProvNotificationBody "Your account has been auto provisioned. Your email address is ${ACCOUNT_ADDRESS}."
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| :prov> md example.com zimbraAutoProvNotificationFromAddress prov-admin@example.com
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| :prov> md example.com zimbraAutoProvNotificationSubject "New account auto provisioned"
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| :prov> ms nine.example.com zimbraAutoProvPollingInterval "1m"
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| :prov> ms nine.example.com +zimbraAutoProvScheduledDomains "example.com"
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| The configuration work without the need of restarts.
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| '''3.''' To test, create a user in AD, and then follow the entries in /opt/zimbra/log/mailbox.log file. To be able to see more, enable [[https://wiki.zimbra.com/wiki/Using_log4j_to_Configure_mailboxd_Logging debug]].
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| :Ideally you have to see the following output in normal logging mode:
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| *before adding entries
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| 2015-07-09 03:22:00,484 INFO [AutoProvision] [] autoprov - Auto provisioning accounts on domain example.com
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| 2015-07-09 03:22:00,490 INFO [AutoProvision] [] autoprov - 0 external LDAP entries returned as search result
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| 2015-07-09 03:22:00,490 INFO [AutoProvision] [] autoprov - Auto Provisioning has finished for now, setting last polled timestamp: 20150709022200.488Z
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| *after adding new entries
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| 2015-07-09 03:26:00,546 INFO [AutoProvision] [] autoprov - Auto provisioning accounts on domain example.com
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| 2015-07-09 03:26:00,553 INFO [AutoProvision] [] autoprov - 1 external LDAP entries returned as search result
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| 2015-07-09 03:26:00,553 INFO [AutoProvision] [] autoprov - auto creating account in EAGER mode: test@example.com, dn="CN=test,OU=zimbrausers,DC=example,DC=com"
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| 2015-07-09 03:26:00,558 INFO [AutoProvision] [] autoprov - Auto Provisioning has finished for now, setting last polled timestamp: 20150709022600.550Z
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| 2015-07-09 03:26:00,565 INFO [AutoProvision] [] autoprov - Sleeping for 60000 milliseconds.
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| ----
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| '''4.''' If we login with the test@example.com, we can see that there is an e-mail sent as per our attributes:
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| :md example.com zimbraAutoProvNotificationBody "Your account has been auto provisioned. Your email address is ${ACCOUNT_ADDRESS}."
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| :md example.com zimbraAutoProvNotificationFromAddress prov-admin@example.com
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| :md example.com zimbraAutoProvNotificationSubject "New account auto provisioned"
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| [[File:Autoprov.jpeg|1,010px]]
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| ----
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| ==== More information ====
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| More information for the attributes can be found in '''/opt/zimbra/docs/autoprov.txt''' file.
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| There is a [[https://bugzilla.zimbra.com/show_bug.cgi?id=82587 bug]] regarding auto-provisioning and zimbra versions prior ZCS 8.0.8. If you have zimbra 8.0.7 and lower, the auto-provisioning works only the first time. Then it stops, due to the difference in the ''zimbraAutoProvLastPolledTimestamp'' format in zimbra and in AD. This attribute need to be set to null, to be able to have the autoprov automatically pulling the entries.
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| ==== Troubleshooting ====
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| '''1.''' Some of the exceptions thrown during the configuration are clear, but some are not and the following information will help with troubleshooting:
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| '''LDAP errors and exceptions'''
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| Exception: [LdapErr: DSID-0C090334, comment: AcceptSecurityContext error, data <span style="color:#FF0000"> 52e </span>, v893]
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| Raw: [LdapErr: DSID-0Cxxxxxx, comment: AcceptSecurityContext error, data xxx, vece ]
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| There are several values that can indicate what LDAP function is causing the issue. Here are some general references for Microsoft Active Directory:
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| The AD-specific error code is the one after ''data'' and before ''vece'' or ''v893'' in the actual error string returned to the binding process.
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| {| border="1" style="border-collapse: collapse;"
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| | 525 || user not found
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| |-
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| | 52e || invalid credentials
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| |-
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| | 530 || not permitted to logon at this time
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| | 531 || not permitted to logon at this workstation
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| | 532 || password expired
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| | 533 || account disabled
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| | 534 || The user has not been granted the requested logon type at this machine
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| | 701 || account expired
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| | 773 || user must reset password
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| |-
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| | 775 || user account locked
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| |-
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| | 8350 || DN format is incorrect
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| |}
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