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AD authentication using LDAP & role of SAP username character length restriction in the overall scenario

Former Member
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We are in the middle of SAP ECC6 EHP5 implementation; our implementer now came up and said that SAP does not support more than 12 characters as user name. Our plans were to use LDAP and authenticate our users from MS AD. But this is pushing us to reduce the character size of our AD user names.

In our organization AD user name is also the users EMAIL as well so it is very convenient to remember. Truncating user names to 12 characters organization wide is somewhat seems impossible.

We are going to use SAP GUI for our finance, HR and procurement to login where as employees (ESS users) will use SAP WEB GUI to login to their employee self service, please help ASAP.

1 REPLY 1

martin_voros
Active Contributor
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Hi,

you are right. SAP ABAP stack supports usernames only up to 13 characters. So you have to have some kind of mapping from long name to shorter name. For SAP gui you can use SSO based on AD. How it works is that you have an extra record for AD name in user master record. For web based authentication you can use SAML. Again, it allows you to map between names. Both solution will require some time and resources to implement.

Cheers