diff --git a/crates/sargon/src/signing/collector/extractor_of_instances_required_to_sign_transactions.rs b/crates/sargon/src/signing/collector/extractor_of_instances_required_to_sign_transactions.rs
index d14f9a996..e2b65c9bc 100644
--- a/crates/sargon/src/signing/collector/extractor_of_instances_required_to_sign_transactions.rs
+++ b/crates/sargon/src/signing/collector/extractor_of_instances_required_to_sign_transactions.rs
@@ -47,13 +47,19 @@ mod tests {
 
     #[test]
     fn preprocessor_init_fail() {
+        let intent_with_invalid_persona =
+            TransactionIntent::sample_entity_addresses_requiring_auth(
+                vec![],
+                vec![Persona::sample_mainnet().address],
+            );
+
         let result = ExtractorOfInstancesRequiredToSignTransactions::extract(
             &Profile::sample_other(),
-            vec![TransactionIntent::sample()],
+            vec![intent_with_invalid_persona],
             RoleKind::Primary,
         );
 
-        assert!(matches!(result, Err(CommonError::UnknownAccount)));
+        assert!(matches!(result, Err(CommonError::UnknownPersona)));
     }
 
     #[test]
diff --git a/crates/sargon/src/signing/collector/signatures_collector.rs b/crates/sargon/src/signing/collector/signatures_collector.rs
index 80810b950..0cff42feb 100644
--- a/crates/sargon/src/signing/collector/signatures_collector.rs
+++ b/crates/sargon/src/signing/collector/signatures_collector.rs
@@ -435,7 +435,7 @@ mod tests {
     }
 
     #[test]
-    fn invalid_profile_unknown_account() {
+    fn profile_with_unknown_account() {
         let res = SignaturesCollector::new(
             SigningFinishEarlyStrategy::default(),
             [TransactionIntent::sample_entities_requiring_auth(
@@ -446,7 +446,7 @@ mod tests {
             &Profile::sample_from(IndexSet::new(), [], []),
             RoleKind::Primary,
         );
-        assert!(matches!(res, Err(CommonError::UnknownAccount)));
+        assert!(res.is_ok());
     }
 
     #[test]
diff --git a/crates/sargon/src/signing/extractor_of_entities_requiring_auth.rs b/crates/sargon/src/signing/extractor_of_entities_requiring_auth.rs
index 2ec48cf35..c439f2c9f 100644
--- a/crates/sargon/src/signing/extractor_of_entities_requiring_auth.rs
+++ b/crates/sargon/src/signing/extractor_of_entities_requiring_auth.rs
@@ -5,7 +5,7 @@ pub struct ExtractorOfEntitiesRequiringAuth;
 impl ExtractorOfEntitiesRequiringAuth {
     /// Matches entities requiring auth from a manifest summary with the entities in the given profile.
     /// Returns a set of `AccountOrPersona` or empty if the manifest summary does not require auth.
-    /// Returns an error if an account or persona is unknown.
+    /// Returns an error if persona is unknown.
     pub fn extract(
         profile: &Profile,
         summary: ManifestSummary,
@@ -17,7 +17,8 @@ impl ExtractorOfEntitiesRequiringAuth {
             .addresses_of_accounts_requiring_auth
             .iter()
             .map(|a| profile.account_by_address(*a))
-            .collect::<Result<Vec<_>>>()?;
+            .filter_map(|a| a.ok())
+            .collect::<Vec<_>>();
 
         entities_requiring_auth.extend(
             accounts
@@ -45,6 +46,7 @@ impl ExtractorOfEntitiesRequiringAuth {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use indexmap::IndexSet;
     use radix_transactions::prelude::ManifestBuilder;
 
     #[test]
@@ -67,7 +69,7 @@ mod tests {
             manifest_summary,
         );
 
-        assert!(matches!(result, Err(CommonError::UnknownAccount)));
+        assert_eq!(result, Ok(IndexSet::new()));
     }
 
     #[test]
diff --git a/crates/sargon/src/system/sargon_os/sargon_os_signing.rs b/crates/sargon/src/system/sargon_os/sargon_os_signing.rs
index 0d24422c1..d0e1660e1 100644
--- a/crates/sargon/src/system/sargon_os/sargon_os_signing.rs
+++ b/crates/sargon/src/system/sargon_os/sargon_os_signing.rs
@@ -196,6 +196,45 @@ mod test {
         );
     }
 
+    #[actix_rt::test]
+    async fn test_sign_transaction_intent_only_with_irrelevant_entity() {
+        let profile = Profile::sample();
+        let sut = boot_with_profile(&profile, None).await;
+
+        let irrelevant_account = Account::sample_mainnet_third();
+        let transaction = TransactionIntent::sample_entities_requiring_auth(
+            vec![&irrelevant_account],
+            vec![],
+        );
+
+        let outcome = sut
+            .sign_transaction(transaction, RoleKind::Primary)
+            .await
+            .unwrap();
+
+        assert_eq!(outcome.intent_signatures.signatures.len(), 0);
+    }
+
+    #[actix_rt::test]
+    async fn test_sign_transaction_intent_containing_irrelevant_entity() {
+        let profile = Profile::sample();
+        let sut = boot_with_profile(&profile, None).await;
+
+        let irrelevant_account = Account::sample_mainnet_third();
+        let relevant_account = Account::sample_mainnet();
+        let transaction = TransactionIntent::sample_entities_requiring_auth(
+            vec![&irrelevant_account, &relevant_account],
+            vec![],
+        );
+
+        let outcome = sut
+            .sign_transaction(transaction, RoleKind::Primary)
+            .await
+            .unwrap();
+
+        assert_eq!(outcome.intent_signatures.signatures.len(), 1);
+    }
+
     #[actix_rt::test]
     async fn test_sign_transaction_intent_rejected_due_to_all_factors_neglected(
     ) {
@@ -283,29 +322,6 @@ mod test {
         assert_eq!(outcome, Err(CommonError::SigningRejected));
     }
 
-    #[actix_rt::test]
-    async fn test_sign_fail_due_to_irrelevant_entity() {
-        let profile = Profile::sample();
-        let sut = boot_with_profile(
-            &profile,
-            Some(SigningFailure::NeglectedFactorSources(vec![
-                profile.device_factor_sources().first().unwrap().id,
-            ])),
-        )
-        .await;
-
-        let irrelevant_account = Account::sample_mainnet_third();
-        let transaction = TransactionIntent::sample_entities_requiring_auth(
-            vec![&irrelevant_account],
-            vec![],
-        );
-
-        let outcome =
-            sut.sign_transaction(transaction, RoleKind::Primary).await;
-
-        assert_eq!(outcome, Err(CommonError::UnknownAccount));
-    }
-
     async fn boot_with_profile(
         profile: &Profile,
         maybe_signing_failure: Option<SigningFailure>,
diff --git a/crates/sargon/src/system/sargon_os/transactions/sargon_os_transaction_analysis.rs b/crates/sargon/src/system/sargon_os/transactions/sargon_os_transaction_analysis.rs
index d11bc52d4..14f8bbe4c 100644
--- a/crates/sargon/src/system/sargon_os/transactions/sargon_os_transaction_analysis.rs
+++ b/crates/sargon/src/system/sargon_os/transactions/sargon_os_transaction_analysis.rs
@@ -582,7 +582,11 @@ mod transaction_preview_analysis_tests {
             )
             .await;
 
-        assert_eq!(result, Err(CommonError::UnknownAccount))
+        // Just asserts that the execution path reached GW preview call
+        assert!(matches!(
+            result,
+            Err(CommonError::ExecutionSummaryFail { .. })
+        ))
     }
 
     #[actix_rt::test]