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1. The primary source of information is the  log file. In most cases, the LDAP connector will try to indicate what the problem is in the logs. In the log file, look for lines with LDAPSecurityManager or FrevvoJNDIRealm.
2. It is useful to have an LDAP browser at hand, for instance, the Apache Directory Studio. With the browser you can:
   1.  Check if the connection parameters that you configured in  are correct.
   2.  Run queries against LDAP and make sure that the expressions you configured in   are correct and returning what you expect.
3. If you can't spot the problem and need to contact frevvo support:
   1. Stop 
   2. Go to <frevvo-home>/tomcat/logs/frevvo.log.
   3. Follow these steps to change the log level from INFO to DEBUG
   4. Restart 
   5. Execute the steps that is causing problems.
   6. Send the log file (zip) to Live Forms support (support@frevvo.com) with a description of the problem.
   7. Restore the log level to INFO.

Below are some common cases to help with troubleshooting. All of them assume that the connectivity is working, meaning that you tested, from the same box where  is running that the connection parameters to the LDAP server you configured in  are correct. 

As an admin I can't list the users or groups for the LDAP tenant

This is can be a problem with the expression you configured in com.frevvo.security.ldap.allUsersFilter (for users) and/or com.frevvo.security.ldap.allGroupsFilter (for groups). Also verify that the search bases are correct, properties com.frevvo.security.ldap.usersBase (users) and com.frevvo.security.ldap.groupsBase (groups). The LDAP Browser is useful here. Execute a search using the same expression and bases you configured in  and check if the result is correct.

A user that should be a designer logs in but can't design forms

1. Login to your LDAP/AD Server.
2. Make sure you have a group defined for the designer role and it is named FrevvoDesigners.
3. Make sure the user having the problem is a member of the FrevvoDesigners group.

Another potential issue is case sensitivity. Please refer to the topic Mixed or Upper case User Names below. 

A user that should be an administrator logs in but can't manage the tenant

1. Login to your LDAP/AD Server.
2. Make sure you have a group defined for the designer role and it is named FrevvoAdmins.
3. Make sure the user having the problem is a member of the FrevvoAdmins group. 

Another potential issue is case sensitivity. Please refer to the topic Mixed or Upper case User Names below. 

I can authenticate against LDAP via the Live Forms login page but SSO is not working

1. # In IIS:
   1. Make sure Windows Authentication is set in the Default Web App (or the web app used to send requests to )
   2. Verify that Anonymous Authentication is NOT set in the default Web App  (or the web used to send requests to )
2. In :
   1. Open FREVVO_HOME/tomcat/conf/server.xml
   2. Look at the AJP connector configuration.
   3. Verify that it has the attribute tomcatAuthentication="false" 

Can't login via the Live Forms login page

A common cause is that the distinguished name attribute is incorrect. That attribute is defined by the property com.frevvo.security.ldap.distinguishedNameAttribute. If you can't determine the distinguished name attribute for your system you can try the fall back strategy described here. Some common distinguished name attributes can be found here.