diff --git a/internal/auth/ldap/managed_group_role_grants_test.go b/internal/auth/ldap/managed_group_role_grants_test.go
new file mode 100644
index 0000000000..6d24af9307
--- /dev/null
+++ b/internal/auth/ldap/managed_group_role_grants_test.go
@@ -0,0 +1,123 @@
+// Copyright (c) HashiCorp, Inc.
+// SPDX-License-Identifier: BUSL-1.1
+
+package ldap
+
+import (
+	"context"
+	"testing"
+
+	"github.com/hashicorp/boundary/internal/auth/oidc"
+	"github.com/hashicorp/boundary/internal/db"
+	"github.com/hashicorp/boundary/internal/iam"
+	"github.com/hashicorp/boundary/internal/kms"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+// TestLdapManagedGroupRoleGrants ensures that user roles that
+// include a ldap managed groups principal are properly returned from queries to
+// auth_managed_group_member_account and iam repository.GrantsForUser(...)
+//
+// this test depends on changes made in 65/01_ldap.up.sql to the
+// auth_managed_group_member_account view
+func TestLdapManagedGroupRoleGrants(t *testing.T) {
+	t.Parallel()
+	const (
+		testGrpName      = "testAdminGrp"
+		testGrpName2     = "testUserGrp"
+		testLdapUrl      = "ldap://test.ldap"
+		testLoginName    = "test-user"
+		testGrant        = "id=*;type=*;actions=*"
+		testClientId     = "alice-rp"
+		testClientSecret = "fido"
+		testIssuer       = "https://www.alice.com"
+		testCallbackUrl  = "https://www.alice.com/callback"
+	)
+	testCtx := context.Background()
+	testConn, _ := db.TestSetup(t, "postgres")
+	testRootWrapper := db.TestWrapper(t)
+	testRw := db.New(testConn)
+	testKms := kms.TestKms(t, testConn, testRootWrapper)
+	iamRepo := iam.TestRepo(t, testConn, testRootWrapper)
+	testOrg, _ := iam.TestScopes(
+		t,
+		iamRepo,
+		iam.WithSkipAdminRoleCreation(true),
+		iam.WithSkipDefaultRoleCreation(true),
+	)
+	testScopeId := testOrg.GetPublicId()
+	testGlobalDbWrapper, err := testKms.GetWrapper(testCtx, testScopeId, kms.KeyPurposeDatabase)
+	require.NoError(t, err)
+	ldapRepo, err := NewRepository(testCtx, testRw, testRw, testKms)
+	require.NoError(t, err)
+
+	testAm := TestAuthMethod(t, testConn, testGlobalDbWrapper, testScopeId, []string{testLdapUrl})
+	testAcct := TestAccount(t, testConn, testAm, testLoginName, WithMemberOfGroups(testCtx, testGrpName))
+	testManagedGrp := TestManagedGroup(t, testConn, testAm, []string{testGrpName})
+	TestManagedGroup(t, testConn, testAm, []string{testGrpName2})
+
+	testUser := iam.TestUser(t, iamRepo, testScopeId, iam.WithAccountIds(testAcct.PublicId))
+	testRole := iam.TestRole(t, testConn, testScopeId)
+	_ = iam.TestRoleGrant(t, testConn, testRole.GetPublicId(), testGrant)
+	iam.TestManagedGroupRole(t, testConn, testRole.GetPublicId(), testManagedGrp.GetPublicId())
+
+	// check the view to make sure it's correct, before trying the CTE used by
+	// GrantsForUser(...) which depends on this view
+	memberAccts, err := ldapRepo.ListManagedGroupMembershipsByMember(testCtx, testAcct.GetPublicId())
+	require.NoError(t, err)
+	require.Len(t, memberAccts, 1)
+	require.Equal(t, testManagedGrp.GetPublicId(), memberAccts[0].GetManagedGroupId())
+	require.Equal(t, testAcct.GetPublicId(), memberAccts[0].GetMemberId())
+	t.Log("found managed group member acct: ", memberAccts[0].GetManagedGroupId(), memberAccts[0].GetMemberId())
+
+	// okay, let's try the CTE and make sure the user has the grants given via
+	// the ldap managed group
+	tuples, err := iamRepo.GrantsForUser(testCtx, testUser.PublicId)
+	require.NoError(t, err)
+	// De-dupe role IDs
+	roleIds := make(map[string]bool, len(tuples))
+	for _, tuple := range tuples {
+		roleIds[tuple.RoleId] = true
+	}
+	t.Log("looking for role: ", testRole.GetPublicId())
+	t.Log("found role/grant: ", tuples)
+	assert.EqualValues(t, map[string]bool{testRole.GetPublicId(): true}, roleIds)
+
+	// make sure a user without the appropriate managed group doesn't have grants
+	testUserWithoutManagedGroupRole := iam.TestUser(t, iamRepo, testScopeId)
+	tuples, err = iamRepo.GrantsForUser(testCtx, testUserWithoutManagedGroupRole.PublicId)
+	require.NoError(t, err)
+	assert.Equal(t, 0, len(tuples))
+
+	// okay, let's test a user that has both an oidc managed group and an ldap
+	// managed group
+	testOidcAm := oidc.TestAuthMethod(
+		t, testConn, testGlobalDbWrapper, testScopeId, oidc.ActivePrivateState,
+		testClientId, testClientSecret,
+		oidc.WithSigningAlgs(oidc.RS256),
+		oidc.WithIssuer(oidc.TestConvertToUrls(t, testIssuer)[0]),
+		oidc.WithApiUrl(oidc.TestConvertToUrls(t, testCallbackUrl)[0]),
+	)
+	testOidcAcct := oidc.TestAccount(t, testConn, testOidcAm, "sub")
+	testOidcManagedGrp := oidc.TestManagedGroup(t, testConn, testOidcAm, oidc.TestFakeManagedGroupFilter)
+	oidc.TestManagedGroupMember(t, testConn, testOidcManagedGrp.GetPublicId(), testOidcAcct.GetPublicId())
+
+	// add the oidc account to our test user....
+	_, err = iamRepo.AddUserAccounts(testCtx, testUser.GetPublicId(), 2, []string{testOidcAcct.GetPublicId()})
+	require.NoError(t, err)
+
+	testRole2 := iam.TestRole(t, testConn, testScopeId)
+	_ = iam.TestRoleGrant(t, testConn, testRole2.GetPublicId(), testGrant)
+	iam.TestManagedGroupRole(t, testConn, testRole2.GetPublicId(), testOidcManagedGrp.GetPublicId())
+
+	tuples, err = iamRepo.GrantsForUser(testCtx, testUser.GetPublicId())
+	require.NoError(t, err)
+	assert.Equal(t, 2, len(tuples))
+	t.Log("tuples:", tuples)
+
+	assert.Equal(t,
+		map[string]bool{testRole.GetPublicId(): true, testRole2.GetPublicId(): true},
+		map[string]bool{tuples[0].RoleId: true, tuples[1].RoleId: true},
+	)
+}
diff --git a/internal/daemon/controller/handlers/managed_groups/managed_group_service.go b/internal/daemon/controller/handlers/managed_groups/managed_group_service.go
index bae8dbf44c..b4bd7b2be6 100644
--- a/internal/daemon/controller/handlers/managed_groups/managed_group_service.go
+++ b/internal/daemon/controller/handlers/managed_groups/managed_group_service.go
@@ -606,11 +606,11 @@ func (s Service) listFromRepo(ctx context.Context, authMethodId string) ([]auth.
 		if err != nil {
 			return nil, errors.Wrap(ctx, err, op)
 		}
-		oidcl, err := ldapRepo.ListManagedGroups(ctx, authMethodId, ldap.WithLimit(ctx, -1))
+		ldapUl, err := ldapRepo.ListManagedGroups(ctx, authMethodId, ldap.WithLimit(ctx, -1))
 		if err != nil {
 			return nil, errors.Wrap(ctx, err, op)
 		}
-		for _, a := range oidcl {
+		for _, a := range ldapUl {
 			outUl = append(outUl, a)
 		}
 	}
diff --git a/internal/iam/query.go b/internal/iam/query.go
index 1cb16a1ad0..e675b9d93e 100644
--- a/internal/iam/query.go
+++ b/internal/iam/query.go
@@ -111,4 +111,69 @@ const (
 	select * from final
 	order by action, member_id;
 	`
+
+	grantsQuery = `
+	with
+	users (id) as (
+	  select public_id
+		from iam_user
+	  %s -- anonUser || authUser
+	),
+	user_groups (id) as (
+	  select group_id
+		from iam_group_member_user
+	   where member_id in (select id from users)
+	),
+	user_accounts (id) as (
+	  select public_id
+		from auth_account
+	   where iam_user_id in (select id from users)
+	),
+	user_managed_groups (id) as (
+	  select managed_group_id
+		from auth_managed_group_member_account
+	   where member_id in (select id from user_accounts)
+	),
+	managed_group_roles (role_id) as (
+	  select role_id
+		from iam_managed_group_role
+	   where principal_id in (select id from user_managed_groups)
+	),
+	group_roles (role_id) as (
+	  select role_id
+		from iam_group_role
+	   where principal_id in (select id from user_groups)
+	),
+	user_roles (role_id) as (
+	  select role_id
+		from iam_user_role
+	   where principal_id in (select id from users)
+	),
+	user_group_roles (role_id) as (
+	  select role_id
+		from group_roles
+	   union
+	  select role_id
+		from user_roles
+	   union
+	  select role_id
+		from managed_group_roles
+	),
+	roles (role_id, grant_scope_id) as (
+	  select iam_role.public_id,
+			 iam_role.grant_scope_id
+		from iam_role
+	   where public_id in (select role_id from user_group_roles)
+	),
+	final (role_id, role_scope, role_grant) as (
+	  select roles.role_id,
+			 roles.grant_scope_id,
+			 iam_role_grant.canonical_grant
+		from roles
+	   inner join iam_role_grant
+		  on roles.role_id = iam_role_grant.role_id
+		  -- only retrieves roles with a grant! there can be roles that don't have grants (it's a valid state in boundary)
+	)
+	select role_id as role_id, role_scope as scope_id, role_grant as grant from final;
+		`
 )
diff --git a/internal/iam/repository_role_grant.go b/internal/iam/repository_role_grant.go
index 175b802f02..d19c394a07 100644
--- a/internal/iam/repository_role_grant.go
+++ b/internal/iam/repository_role_grant.go
@@ -396,79 +396,8 @@ func (r *Repository) GrantsForUser(ctx context.Context, userId string, _ ...Opti
 	}
 
 	const (
-		anonUser    = `where public_id in (?)`
-		authUser    = `where public_id in ('u_anon', 'u_auth', ?)`
-		grantsQuery = `
-with
-users (id) as (
-  select public_id
-    from iam_user
-  %s -- anonUser || authUser
-),
-user_groups (id) as (
-  select group_id
-    from iam_group_member_user,
-         users
-   where member_id in (users.id)
-),
-user_accounts (id) as (
-  select public_id
-    from auth_account,
-         users
-   where iam_user_id in (users.id)
-),
-user_managed_groups (id) as (
-  select managed_group_id
-    from auth_managed_group_member_account,
-         user_accounts
-   where member_id in (user_accounts.id)
-),
-managed_group_roles (role_id) as (
-  select role_id
-    from iam_managed_group_role,
-         user_managed_groups
-   where principal_id in (user_managed_groups.id)
-),
-group_roles (role_id) as (
-  select role_id
-    from iam_group_role,
-         user_groups
-   where principal_id in (user_groups.id)
-),
-user_roles (role_id) as (
-  select role_id
-    from iam_user_role,
-         users
-   where principal_id in (users.id)
-),
-user_group_roles (role_id) as (
-  select role_id
-    from group_roles
-   union
-  select role_id
-    from user_roles
-   union
-  select role_id
-    from managed_group_roles
-),
-roles (role_id, grant_scope_id) as (
-  select iam_role.public_id,
-         iam_role.grant_scope_id
-    from iam_role,
-         user_group_roles
-   where public_id in (user_group_roles.role_id)
-),
-final (role_id, role_scope, role_grant) as (
-  select roles.role_id,
-         roles.grant_scope_id,
-         iam_role_grant.canonical_grant
-    from roles
-   inner
-    join iam_role_grant
-      on roles.role_id = iam_role_grant.role_id
-)
-select role_id as role_id, role_scope as scope_id, role_grant as grant from final;
-	`
+		anonUser = `where public_id in (?)`
+		authUser = `where public_id in ('u_anon', 'u_auth', ?)`
 	)
 
 	var query string
diff --git a/internal/iam/repository_role_grant_ext_test.go b/internal/iam/repository_role_grant_ext_test.go
index 99a6793c65..b597a88ed1 100644
--- a/internal/iam/repository_role_grant_ext_test.go
+++ b/internal/iam/repository_role_grant_ext_test.go
@@ -5,10 +5,13 @@ package iam_test
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	mathrand "math/rand"
 	"testing"
 
+	"github.com/hashicorp/boundary/internal/auth/ldap"
+	"github.com/hashicorp/boundary/internal/auth/ldap/store"
 	"github.com/hashicorp/boundary/internal/auth/oidc"
 	"github.com/hashicorp/boundary/internal/db"
 	"github.com/hashicorp/boundary/internal/iam"
@@ -16,6 +19,7 @@ import (
 	"github.com/hashicorp/boundary/internal/types/scope"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+	"google.golang.org/protobuf/proto"
 )
 
 func TestGrantsForUser(t *testing.T) {
@@ -23,11 +27,16 @@ func TestGrantsForUser(t *testing.T) {
 	conn, _ := db.TestSetup(t, "postgres")
 	wrap := db.TestWrapper(t)
 	iamRepo := iam.TestRepo(t, conn, wrap)
+	rw := db.New(conn)
+	kmsCache := kms.TestKms(t, conn, wrap)
+	ldapRepo, err := ldap.NewRepository(ctx, rw, rw, kmsCache)
+	require.NoError(t, err)
 
 	userCount := 10
 	groupCount := 30
-	managedGroupCount := 30
-	roleCount := 30
+	oidcManagedGroupCount := 30
+	ldapManagedGroupCount := 30
+	roleCount := 1
 	// probFactor acts as a mod value; increasing means less probability. 2 =
 	// 50%, 5 = 20%, etc.
 	probFactor := 5
@@ -45,12 +54,10 @@ func TestGrantsForUser(t *testing.T) {
 		iam.WithSkipAdminRoleCreation(true),
 		iam.WithSkipDefaultRoleCreation(true),
 	)
-
-	kmsCache := kms.TestKms(t, conn, wrap)
 	databaseWrapper, err := kmsCache.GetWrapper(ctx, o.PublicId, kms.KeyPurposeDatabase)
 	require.NoError(t, err)
 
-	authMethod := oidc.TestAuthMethod(
+	oidcAuthMethod := oidc.TestAuthMethod(
 		t, conn, databaseWrapper, o.GetPublicId(), oidc.ActivePrivateState,
 		"alice-rp", "fido",
 		oidc.WithSigningAlgs(oidc.RS256),
@@ -58,23 +65,26 @@ func TestGrantsForUser(t *testing.T) {
 		oidc.WithApiUrl(oidc.TestConvertToUrls(t, "https://www.alice.com/callback")[0]),
 	)
 
-	// We're going to generate a bunch of users (each tied to an account),
-	// groups, and managed groups. These will be randomly assigned and we will
-	// record assignations.
-	users, accounts := func() (usrs []*iam.User, accts []*oidc.Account) {
+	ldapAuthMethod := ldap.TestAuthMethod(t, conn, databaseWrapper, o.GetPublicId(), []string{"ldap://test"})
+
+	// We're going to generate a bunch of users (each tied to 2 accounts; oidc
+	// and ldap), groups, and managed groups (oidc and ldap). These will be
+	// randomly assigned and we will record assignations.
+	users, oidcAccounts, ldapAccounts := func() (usrs []*iam.User, oidcAccts []*oidc.Account, ldapAccts []*ldap.Account) {
 		usrs = make([]*iam.User, 0, userCount)
-		accts = make([]*oidc.Account, 0, userCount)
+		oidcAccts = make([]*oidc.Account, 0, userCount)
 		scopeId := scope.Global.String()
 		if mathrand.Int()%2 == 0 || testManagedGroups {
 			scopeId = o.GetPublicId()
 		}
 		for i := 0; i < userCount; i++ {
-			accts = append(accts, oidc.TestAccount(t, conn, authMethod, fmt.Sprintf("sub-%d", i)))
+			oidcAccts = append(oidcAccts, oidc.TestAccount(t, conn, oidcAuthMethod, fmt.Sprintf("sub-%d", i)))
+			ldapAccts = append(ldapAccts, ldap.TestAccount(t, conn, ldapAuthMethod, fmt.Sprintf("login-name-%d", i)))
 			usrs = append(usrs, iam.TestUser(
 				t,
 				iamRepo,
 				scopeId,
-				iam.WithAccountIds(accts[i].PublicId),
+				iam.WithAccountIds(oidcAccts[i].PublicId, ldapAccts[i].PublicId),
 				iam.WithName(fmt.Sprintf("testuser%d", i)),
 			))
 		}
@@ -91,10 +101,18 @@ func TestGrantsForUser(t *testing.T) {
 		}
 		return
 	}()
-	managedGroups := func() (ret []*oidc.ManagedGroup) {
-		ret = make([]*oidc.ManagedGroup, 0, managedGroupCount)
-		for i := 0; i < managedGroupCount; i++ {
-			ret = append(ret, oidc.TestManagedGroup(t, conn, authMethod, oidc.TestFakeManagedGroupFilter, oidc.WithName(fmt.Sprintf("testmanagedgroup%d", i))))
+	oidcManagedGroups := func() (ret []*oidc.ManagedGroup) {
+		ret = make([]*oidc.ManagedGroup, 0, oidcManagedGroupCount)
+		for i := 0; i < oidcManagedGroupCount; i++ {
+			ret = append(ret, oidc.TestManagedGroup(t, conn, oidcAuthMethod, oidc.TestFakeManagedGroupFilter, oidc.WithName(fmt.Sprintf("oidc-testmanagedgroup%d", i))))
+		}
+		return
+	}()
+	ldapManagedGroups := func() (ret []*ldap.ManagedGroup) {
+		ret = make([]*ldap.ManagedGroup, 0, ldapManagedGroupCount)
+		for i := 0; i < ldapManagedGroupCount; i++ {
+			name := fmt.Sprintf("ldap-testmanagedgroup%d", i)
+			ret = append(ret, ldap.TestManagedGroup(t, conn, ldapAuthMethod, []string{name}, ldap.WithName(ctx, name)))
 		}
 		return
 	}()
@@ -131,23 +149,92 @@ func TestGrantsForUser(t *testing.T) {
 			}
 		}
 	}
-	// This variable stores an easy way to lookup, given a managed group ID, whether a
-	// user is in that group.
-	userToManagedGroupsMapping := map[string]map[string]bool{}
+	// This variable stores an easy way to lookup, given a user id, whether or
+	// not it's in an oidc managed group.
+	userToOidcManagedGroupsMapping := map[string]map[string]bool{}
 	for i, user := range users {
-		for _, managedGroup := range managedGroups {
+		for _, managedGroup := range oidcManagedGroups {
 			// Give each user (account) a chance of being in any specific managed group
 			if mathrand.Int()%probFactor == 0 {
 				userId := user.PublicId
-				accountId := accounts[i].PublicId
+				accountId := oidcAccounts[i].PublicId
 				managedGroupId := managedGroup.PublicId
 				oidc.TestManagedGroupMember(t, conn, managedGroupId, accountId)
-				currentMapping := userToManagedGroupsMapping[userId]
+				currentMapping := userToOidcManagedGroupsMapping[userId]
 				if currentMapping == nil {
 					currentMapping = make(map[string]bool)
 				}
 				currentMapping[managedGroupId] = true
-				userToManagedGroupsMapping[userId] = currentMapping
+				userToOidcManagedGroupsMapping[userId] = currentMapping
+			}
+		}
+	}
+
+	ldapAcctCloneFunc := func(a *ldap.Account) *ldap.Account {
+		cp := proto.Clone(a.Account)
+		return &ldap.Account{
+			Account: cp.(*store.Account),
+		}
+	}
+	// This variable stores an easy way to lookup, given a user id, whether or
+	// not it's in an ldap managed group.
+	userToLdapManagedGroupsMapping := map[string]map[string]bool{}
+
+	// This variable stores an easy way to lookup, giving an ldap managed group
+	// id, whether or not it has a user id
+	ldapManagedGroupToUser := map[string]map[string]bool{}
+
+	for i, user := range users {
+		userLdapAcct := ldapAccounts[i]              // the first acct goes with the first user
+		acctClone := ldapAcctCloneFunc(userLdapAcct) // clone it just in case it's changed during a db update
+		for _, managedGroup := range ldapManagedGroups {
+			// Give each user (account) a chance of being in any specific managed group
+			if mathrand.Int()%probFactor == 0 {
+				var existingAcctGroups []string
+				if acctClone.GetMemberOfGroups() != "" {
+					require.NoError(t, json.Unmarshal([]byte(acctClone.GetMemberOfGroups()), &existingAcctGroups))
+				}
+				var existingManagedGroups []string
+				require.NoError(t, json.Unmarshal([]byte(managedGroup.GetGroupNames()), &existingManagedGroups))
+				newGrps, err := json.Marshal(append(existingAcctGroups, existingManagedGroups...))
+				require.NoError(t, err)
+				acctClone.MemberOfGroups = string(newGrps)
+				updated, err := rw.Update(ctx, acctClone, []string{"MemberOfGroups"}, nil)
+				require.NoError(t, err)
+				require.Equal(t, 1, updated)
+				userId := user.GetPublicId()
+				currentMapping := userToLdapManagedGroupsMapping[userId]
+				if currentMapping == nil {
+					currentMapping = make(map[string]bool)
+				}
+				currentMapping[managedGroup.GetPublicId()] = true
+				userToLdapManagedGroupsMapping[userId] = currentMapping
+
+				currentMapGrpsToUser := ldapManagedGroupToUser[managedGroup.GetPublicId()]
+				if currentMapGrpsToUser == nil {
+					currentMapGrpsToUser = make(map[string]bool)
+				}
+				currentMapGrpsToUser[userId] = true
+				ldapManagedGroupToUser[managedGroup.GetPublicId()] = currentMapGrpsToUser
+
+				// check that the acct is part of the managed grp
+				// 1) check acct is returned from
+				// 		auth_managed_group_member_account search
+				// 2) check that acct belongs to the user
+				memberAccts, err := ldapRepo.ListManagedGroupMembershipsByMember(ctx, userLdapAcct.GetPublicId())
+				require.NoError(t, err)
+				require.GreaterOrEqual(t, len(memberAccts), 1)
+				found := false
+				for _, m := range memberAccts {
+					if m.GetManagedGroupId() == managedGroup.GetPublicId() && m.GetMemberId() == userLdapAcct.GetPublicId() {
+						found = true
+					}
+				}
+				require.Truef(t, found, "did not find acct in managed grp search")
+
+				accts, err := iamRepo.ListUserAccounts(ctx, userId)
+				require.NoError(t, err)
+				require.Contains(t, accts, userLdapAcct.GetPublicId())
 			}
 		}
 	}
@@ -156,7 +243,8 @@ func TestGrantsForUser(t *testing.T) {
 	// store mappings
 	userToRolesMapping := map[string]map[string]bool{}
 	groupToRolesMapping := map[string]map[string]bool{}
-	managedGroupToRolesMapping := map[string]map[string]bool{}
+	oidcManagedGroupToRolesMapping := map[string]map[string]bool{}
+	ldapManagedGroupToRolesMapping := map[string]map[string]bool{}
 	if addUsersDirectly {
 		for _, role := range roles {
 			for _, user := range users {
@@ -194,19 +282,53 @@ func TestGrantsForUser(t *testing.T) {
 		}
 	}
 	for _, role := range roles {
-		for _, managedGroup := range managedGroups {
-			// Give each managed group a chance of being directly added to any
-			// specific role
+		roleId := role.PublicId
+		for _, oidcManagedGroup := range oidcManagedGroups {
+			// Give each oidc managed group a chance of being directly added to
+			// any specific role
 			if mathrand.Int()%probFactor == 0 {
-				roleId := role.PublicId
-				managedGroupId := managedGroup.PublicId
+				managedGroupId := oidcManagedGroup.PublicId
 				iam.TestManagedGroupRole(t, conn, roleId, managedGroupId)
-				currentMapping := managedGroupToRolesMapping[managedGroupId]
+				currentMapping := oidcManagedGroupToRolesMapping[managedGroupId]
 				if currentMapping == nil {
 					currentMapping = make(map[string]bool)
 				}
 				currentMapping[roleId] = true
-				managedGroupToRolesMapping[managedGroupId] = currentMapping
+				oidcManagedGroupToRolesMapping[managedGroupId] = currentMapping
+			}
+		}
+		for _, ldapManagedGroup := range ldapManagedGroups {
+			// Give each ldap managed group a chance of being directly added to
+			// any specific role
+			if mathrand.Int()%probFactor == 0 {
+				ldapManagedGroupId := ldapManagedGroup.GetPublicId()
+				iam.TestManagedGroupRole(t, conn, roleId, ldapManagedGroupId)
+				currentMapping := ldapManagedGroupToRolesMapping[ldapManagedGroupId]
+				if currentMapping == nil {
+					currentMapping = make(map[string]bool)
+				}
+				currentMapping[roleId] = true
+				ldapManagedGroupToRolesMapping[ldapManagedGroupId] = currentMapping
+
+				// just check if role shows up for the user now.
+				for userId := range ldapManagedGroupToUser[ldapManagedGroupId] {
+					tuples, err := iamRepo.GrantsForUser(ctx, userId)
+					t.Log("userId/tuples:", userId, tuples)
+					require.NoError(t, err)
+					found := false
+					foundRoles := []string{}
+					for _, gt := range tuples {
+						foundRoles = append(foundRoles, gt.RoleId)
+						if gt.RoleId == roleId {
+							found = true
+							break
+						}
+					}
+					if found {
+						t.Log("FOUND:", userId, ldapManagedGroupId, foundRoles)
+					}
+					assert.Truef(t, found, "did not find role id %s in grants for user %s, grp %s, found user roles %s", roleId, userId, ldapManagedGroupId, foundRoles)
+				}
 			}
 		}
 	}
@@ -214,7 +336,7 @@ func TestGrantsForUser(t *testing.T) {
 	// Now, fetch the set of grants. We're going to be testing this by looking
 	// at the role IDs of the matching grant tuples.
 	for _, user := range users {
-		var rolesFromUsers, rolesFromGroups, rolesFromManagedGroups int
+		var rolesFromUsers, rolesFromGroups, rolesFromOidcManagedGroups, rolesFromLdapManagedGroups int
 
 		tuples, err := iamRepo.GrantsForUser(ctx, user.PublicId)
 		require.NoError(t, err)
@@ -240,16 +362,30 @@ func TestGrantsForUser(t *testing.T) {
 				rolesFromGroups++
 			}
 		}
-		for managedGroupId := range userToManagedGroupsMapping[user.PublicId] {
-			for roleId := range managedGroupToRolesMapping[managedGroupId] {
+		for managedGroupId := range userToOidcManagedGroupsMapping[user.PublicId] {
+			for roleId := range oidcManagedGroupToRolesMapping[managedGroupId] {
+				expectedRoleIds[roleId] = true
+				rolesFromOidcManagedGroups++
+			}
+		}
+		for managedGroupId := range userToLdapManagedGroupsMapping[user.PublicId] {
+			for roleId := range ldapManagedGroupToRolesMapping[managedGroupId] {
+				if !expectedRoleIds[roleId] {
+					t.Log("Adding ldap role: ", roleId)
+				}
 				expectedRoleIds[roleId] = true
-				rolesFromManagedGroups++
+				rolesFromLdapManagedGroups++
 			}
 		}
 
 		// Now verify that the expected set and returned set match
-		assert.EqualValues(t, expectedRoleIds, roleIds)
+		require.EqualValues(t, expectedRoleIds, roleIds)
 
-		t.Log("finished user", user.PublicId, "total roles", len(expectedRoleIds), "roles from users", rolesFromUsers, "roles from groups", rolesFromGroups, "roles from managed groups", rolesFromManagedGroups)
+		t.Log("finished user", user.PublicId,
+			"total roles", len(expectedRoleIds),
+			", roles from users", rolesFromUsers,
+			", roles from groups", rolesFromGroups,
+			", roles from oidc managed groups", rolesFromOidcManagedGroups,
+			", roles from ldap managed groups", rolesFromLdapManagedGroups)
 	}
 }