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P4 Server Administration Documentation | 2025.2

# Test and enable LDAP configurations

After you create one or more LDAP configurations, test and enable the configurations to make sure everything is working properly. The testing does not affect existing users, and they might already be using an authentication trigger to authenticate against LDAP.

After the LDAP configuration proves successful, you can switch users to the new mechanism without having to recreate the users.

Before you enable LDAP configurations, create at least one account with `super` access that uses `perforce` authentication. This will allow you to log in if you lose AD/LDAP connectivity.

## Testing steps

1. Test the configuration by using the `-t` flag on the p4 ldap command. For example:

       p4 ldap -t Maria myLDAPconfig

   using the `p4 ldap -t username configname` syntax, with `Maria` as the user name and `myLDAPconfig` as the configuration name.

   You will be prompted for the user’s password. If the password is correct, the command completes successfully.

   The amount of information returned by testing depends on the bind method used:

   - A simple bind returns only pass/fail feedback.
   - A search-based bind returns information about whether the user’s credentials are bad and whether the user could be found.
   - SASL binds usually provide more diagnostics than simple binds.

2. Set the ``auth.ldap.order.`N``` configurable to assign the sequence in which configurations are checked.
   If you are using only one configuration, the following is sufficient.

       p4 configure set auth.ldap.order.1=myLDAPconfig

   but if you have multiple configurations, establish the sequence for checking the configurations:

       p4 configure set auth.ldap.order.2=myLDAPforEurope
       p4 configure set auth.ldap.order.3=myLDAPforAsia

3. Check the active configurations:

       p4 ldaps -A

## Switch the mechanism

1. Disable authentication trigger support by restarting the server:

       p4 admin restart

2. Check that the server is running in LDAP authentication mode:

       p4 -ztag info

   If so, `... ldapAuth enabled` is included in the output.

3. Create additional LDAP servers if needed, and repeat the testing steps for each one.
4. Migrate users to LDAP authentication by setting the `authMethod` to `ldap` for each user to be authenticated by LDAP.

In addition to testing authentication against a single LDAP server, you can test against multiple servers by using the `p4 ldaps -t` command. To learn more, see the description of the `p4 ldaps -t` command in the P4 CLI Reference.

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