LDAP users dissapear

martin_w — Thu, 11 Jul 2013 17:17:27 GMT

Using Alfresco community 4.2C windows x64 (server 2008R2)have successfully integrated Active directory groups/users, however for no reason I can see all the users get completely removed?the service did not restart.if I restart the service then the users get imported in again but they have lost membe

Re: LDAP users dissapear

martin_w — Wed, 17 Jul 2013 21:34:00 GMT

well this is just too frustrating for me, it works for a few days and then bam all the users get deleted again.
there is no way I can present this to the staff so am giving up on using ldap and will simply create local users.
thanks anyway, it seem ldap is a bit of voodoo with alfresco

Re: LDAP users dissapear

eswbitto — Mon, 22 Jul 2013 23:24:37 GMT

I'm using LDAP-AD authentication and the users and groups are not doing what you describe. The only difference in setup is that I have my config placed in the global.properties file. You might try doing that. I also know that AD should sync with alfresco every 24 hours. So you might make sure that nothing configured on your AD side is affecting that sync.

Here is a sample of mine which works and I have had no problems at all. Located at /tomcat/shared/classes/alfresco.global.properties


### Authentication Chain for LDAP ###
authentication.chain=ldap-ad1:ldap-ad,alfrescoNtlm1:alfrescoNtlm

### Active Directory Config ###

# This flag enables use of this LDAP subsystem for authentication. It may be
# that this subsytem should only be used for synchronization, in which case
# this flag should be set to false.
ldap.authentication.active=true

#
# This properties file brings together the common options for LDAP authentication rather than editing the bean definitions
#
ldap.authentication.allowGuestLogin=true

# How to map the user id entered by the user to taht passed through to LDAP
# In Active Directory, this can either be the user principal name (UPN) or DN.
# UPNs are in the form <sAMAccountName>@domain and are held in the userPrincipalName attribute of a user
#ldap.authentication.userNameFormat=%s@domain
ldap.authentication.userNameFormat=%s@fqdn.ca

# The LDAP context factory to use
ldap.authentication.java.naming.factory.initial=com.sun.jndi.ldap.LdapCtxFactory

# The URL to connect to the LDAP server 
#ldap.authentication.java.naming.provider.url=ldap://domaincontroller.company.com:389
ldap.authentication.java.naming.provider.url=ldap://fqdn:389

# The authentication mechanism to use for password validation
ldap.authentication.java.naming.security.authentication=simple

# Escape commas entered by the user at bind time
# Useful when using simple authentication and the CN is part of the DN and contains commas
ldap.authentication.escapeCommasInBind=false

# Escape commas entered by the user when setting the authenticated user
# Useful when using simple authentication and the CN is part of the DN and contains commas, and the escaped \, is 
# pulled in as part of an LDAP sync
# If this option is set to true it will break the default home folder provider as space names can not contain \
ldap.authentication.escapeCommasInUid=false

# Comma separated list of user names who should be considered administrators by default
#ldap.authentication.defaultAdministratorUserNames=Administrator
ldap.authentication.defaultAdministratorUserNames=administrator,alfresco

# This flag enables use of this LDAP subsystem for user and group
# synchronization. It may be that this subsytem should only be used for 
# authentication, in which case this flag should be set to false.
ldap.synchronization.active=true

# The authentication mechanism to use for synchronization
ldap.synchronization.java.naming.security.authentication=simple

# The default principal to bind with (only used for LDAP sync). This should be a UPN or DN
#ldap.synchronization.java.naming.security.principal=alfresco@domain
ldap.synchronization.java.naming.security.principal=user@domain

# The password for the default principal (only used for LDAP sync)
ldap.synchronization.java.naming.security.credentials=Its a secret

# If positive, this property indicates that RFC 2696 paged results should be
# used to split query results into batches of the specified size. This
# overcomes any size limits imposed by the LDAP server.
ldap.synchronization.queryBatchSize=1000

# If positive, this property indicates that range retrieval should be used to fetch
# multi-valued attributes (such as member) in batches of the specified size.
# Overcomes any size limits imposed by Active Directory.        
ldap.synchronization.attributeBatchSize=1000

# The query to select all objects that represent the groups to import.
ldap.synchronization.groupQuery=(objectclass\=group)

# The query to select objects that represent the groups to import that have changed since a certain time.
ldap.synchronization.groupDifferentialQuery=(&(objectclass\=group)(!(whenChanged<\={0})))

# The query to select all objects that represent the users to import.
ldap.synchronization.personQuery=(&(objectclass\=user)(userAccountControl\:1.2.840.113556.1.4.803\:\=512))

# The query to select objects that represent the users to import that have changed since a certain time.
ldap.synchronization.personDifferentialQuery=(&(objectclass\=user)(userAccountControl\:1.2.840.113556.1.4.803\:\=512)(!(whenChanged<\={0})))

# The group search base restricts the LDAP group query to a sub section of tree on the LDAP server.
#ldap.synchronization.groupSearchBase=ou\=Security Groups,ou\=Alfresco,dc=domain
ldap.synchronization.groupSearchBase=   

# The user search base restricts the LDAP user query to a sub section of tree on the LDAP server.
#ldap.synchronization.userSearchBase=ou\=User Accounts,ou=\Alfresco,dc=domain
ldap.synchronization.userSearchBase=

# The name of the operational attribute recording the last update time for a group or user.
ldap.synchronization.modifyTimestampAttributeName=whenChanged

# The timestamp format. Unfortunately, this varies between directory servers.
ldap.synchronization.timestampFormat=yyyyMMddHHmmss'.0Z'

# The attribute name on people objects found in LDAP to use as the uid in Alfresco
ldap.synchronization.userIdAttributeName=sAMAccountName

# The attribute on person objects in LDAP to map to the first name property in Alfresco
ldap.synchronization.userFirstNameAttributeName=givenName

# The attribute on person objects in LDAP to map to the last name property in Alfresco
ldap.synchronization.userLastNameAttributeName=sn

# The attribute on person objects in LDAP to map to the email property in Alfresco
ldap.synchronization.userEmailAttributeName=mail

# The attribute on person objects in LDAP to map to the organizational id  property in Alfresco
ldap.synchronization.userOrganizationalIdAttributeName=company

# The default home folder provider to use for people created via LDAP import
ldap.synchronization.defaultHomeFolderProvider=largeHomeFolderProvider

# The attribute on LDAP group objects to map to the authority name property in Alfresco
ldap.synchronization.groupIdAttributeName=cn

# The attribute on LDAP group objects to map to the authority display name property in Alfresco
ldap.synchronization.groupDisplayNameAttributeName=displayName

# The group type in LDAP
ldap.synchronization.groupType=group

# The person type in LDAP
ldap.synchronization.personType=user

# The attribute in LDAP on group objects that defines the DN for its members
ldap.synchronization.groupMemberAttributeName=member

# If true progress estimation is enabled. When enabled, the user query has to be run twice in order to count entries.
ldap.synchronization.enableProgressEstimation=true

# Requests timeout, in miliseconds, use 0 for none (default)
ldap.authentication.java.naming.read.timeout=0
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LDAP users dissapear

Re: LDAP users dissapear

Re: LDAP users dissapear