diff --git a/models/users.model b/models/users.model
index b23fe85b2..fa4bdfce5 100644
--- a/models/users.model
+++ b/models/users.model
@@ -21,7 +21,9 @@ User json    -- Each Uni2work user has a corresponding row in this table; create
     lastAuthentication UTCTime Maybe        -- last login date
     created        UTCTime default=now()
     lastLdapSynchronisation UTCTime Maybe
+    lastAzureSynchronisation UTCTime Maybe
     ldapPrimaryKey UserEduPersonPrincipalName Maybe
+    azurePrimaryKey UUID Maybe
     tokensIssuedAfter  UTCTime Maybe        -- do not accept bearer tokens issued before this time (accept all tokens if null)
     matrikelnummer UserMatriculation Maybe  -- usually a number; AVS Personalnummer; nicht Fraport Personalnummer!
     firstName      Text                     -- For export in tables, pre-split firstName from displayName
@@ -53,6 +55,7 @@ User json    -- Each Uni2work user has a corresponding row in this table; create
     UniqueAuthentication ident                  -- Column 'ident' can be used as a row-key in this table
     UniqueEmail email                           -- Column 'email' can be used as a row-key in this table
     UniqueLdapPrimaryKey ldapPrimaryKey !force  -- Column 'ldapPrimaryKey' is either empty or contains a unique value
+    UniqueAzurePrimaryKey azurePrimaryKey !force  -- Column 'azurePrimaryKey' is either empty or contains a unique value
     deriving Show Eq Ord Generic                -- Haskell-specific settings for runtime-value representing a row in memory
 
 UserFunction -- Administratively assigned functions (lecturer, admin, evaluation, ...)