diff --git a/dd-sdk-android-core/api/apiSurface b/dd-sdk-android-core/api/apiSurface
index 8ad9b71ea8..39ebef8483 100644
--- a/dd-sdk-android-core/api/apiSurface
+++ b/dd-sdk-android-core/api/apiSurface
@@ -51,6 +51,7 @@ interface com.datadog.android.api.SdkCore
   val name: String
   val time: com.datadog.android.api.context.TimeInfo
   val service: String
+  fun isCoreActive(): Boolean
   fun setTrackingConsent(com.datadog.android.privacy.TrackingConsent)
   fun setUserInfo(String? = null, String? = null, String? = null, Map<String, Any?> = emptyMap())
   fun addUserProperties(Map<String, Any?>)
diff --git a/dd-sdk-android-core/api/dd-sdk-android-core.api b/dd-sdk-android-core/api/dd-sdk-android-core.api
index c4f3172efc..2b46c391bc 100644
--- a/dd-sdk-android-core/api/dd-sdk-android-core.api
+++ b/dd-sdk-android-core/api/dd-sdk-android-core.api
@@ -116,6 +116,7 @@ public abstract interface class com/datadog/android/api/SdkCore {
 	public abstract fun getName ()Ljava/lang/String;
 	public abstract fun getService ()Ljava/lang/String;
 	public abstract fun getTime ()Lcom/datadog/android/api/context/TimeInfo;
+	public abstract fun isCoreActive ()Z
 	public abstract fun setTrackingConsent (Lcom/datadog/android/privacy/TrackingConsent;)V
 	public abstract fun setUserInfo (Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/util/Map;)V
 }
diff --git a/dd-sdk-android-core/src/main/kotlin/com/datadog/android/api/SdkCore.kt b/dd-sdk-android-core/src/main/kotlin/com/datadog/android/api/SdkCore.kt
index dd70f39fe1..fd6914d5bc 100644
--- a/dd-sdk-android-core/src/main/kotlin/com/datadog/android/api/SdkCore.kt
+++ b/dd-sdk-android-core/src/main/kotlin/com/datadog/android/api/SdkCore.kt
@@ -32,6 +32,12 @@ interface SdkCore {
      */
     val service: String
 
+    /**
+     * Returns true if the core is active.
+     */
+    @AnyThread
+    fun isCoreActive(): Boolean
+
     /**
      * Sets the tracking consent regarding the data collection for this instance of the Datadog SDK.
      *
diff --git a/dd-sdk-android-core/src/main/kotlin/com/datadog/android/core/internal/DatadogCore.kt b/dd-sdk-android-core/src/main/kotlin/com/datadog/android/core/internal/DatadogCore.kt
index e056805021..e9b65d99bc 100644
--- a/dd-sdk-android-core/src/main/kotlin/com/datadog/android/core/internal/DatadogCore.kt
+++ b/dd-sdk-android-core/src/main/kotlin/com/datadog/android/core/internal/DatadogCore.kt
@@ -266,6 +266,8 @@ internal class DatadogCore(
         return coreFeature.createScheduledExecutorService(executorContext)
     }
 
+    override fun isCoreActive(): Boolean = isActive
+
     // endregion
 
     // region InternalSdkCore
diff --git a/dd-sdk-android-core/src/main/kotlin/com/datadog/android/core/internal/NoOpInternalSdkCore.kt b/dd-sdk-android-core/src/main/kotlin/com/datadog/android/core/internal/NoOpInternalSdkCore.kt
index 4b1b1d40f8..e57d2a3554 100644
--- a/dd-sdk-android-core/src/main/kotlin/com/datadog/android/core/internal/NoOpInternalSdkCore.kt
+++ b/dd-sdk-android-core/src/main/kotlin/com/datadog/android/core/internal/NoOpInternalSdkCore.kt
@@ -89,6 +89,8 @@ internal object NoOpInternalSdkCore : InternalSdkCore {
 
     override fun clearAllData() = Unit
 
+    override fun isCoreActive(): Boolean = false
+
     // endregion
 
     // region FeatureSdkCore
diff --git a/features/dd-sdk-android-session-replay/src/main/kotlin/com/datadog/android/sessionreplay/SessionReplay.kt b/features/dd-sdk-android-session-replay/src/main/kotlin/com/datadog/android/sessionreplay/SessionReplay.kt
index 02c3bc7a49..077f0b5b47 100644
--- a/features/dd-sdk-android-session-replay/src/main/kotlin/com/datadog/android/sessionreplay/SessionReplay.kt
+++ b/features/dd-sdk-android-session-replay/src/main/kotlin/com/datadog/android/sessionreplay/SessionReplay.kt
@@ -100,7 +100,7 @@ object SessionReplay {
     }
 
     private fun isAlreadyRegistered() =
-        currentRegisteredCore?.get() != null
+        currentRegisteredCore?.get()?.isCoreActive() == true
 
     private fun logAlreadyRegisteredWarning(internalLogger: InternalLogger) =
         internalLogger.log(
diff --git a/features/dd-sdk-android-session-replay/src/test/kotlin/com/datadog/android/sessionreplay/SessionReplayTest.kt b/features/dd-sdk-android-session-replay/src/test/kotlin/com/datadog/android/sessionreplay/SessionReplayTest.kt
index bfa39220a6..9425609026 100644
--- a/features/dd-sdk-android-session-replay/src/test/kotlin/com/datadog/android/sessionreplay/SessionReplayTest.kt
+++ b/features/dd-sdk-android-session-replay/src/test/kotlin/com/datadog/android/sessionreplay/SessionReplayTest.kt
@@ -132,6 +132,7 @@ internal class SessionReplayTest {
         @Mock mockInternalLogger: InternalLogger
     ) {
         // Given
+        whenever(mockCore1.isCoreActive()).thenReturn(true)
         whenever(mockCore1.internalLogger).thenReturn(mockInternalLogger)
         whenever(mockCore2.internalLogger).thenReturn(mockInternalLogger)
         val fakeSessionReplayConfigurationWithMockRequirement = fakeSessionReplayConfiguration.copy(
@@ -159,5 +160,42 @@ internal class SessionReplayTest {
             targets = listOf(InternalLogger.Target.MAINTAINER, InternalLogger.Target.TELEMETRY),
             message = IS_ALREADY_REGISTERED_WARNING
         )
+        assertThat(SessionReplay.currentRegisteredCore?.get()).isEqualTo(mockCore1)
+    }
+
+    @Test
+    fun `M allow changing cores W enable { Session Replay already enabled but old core inactive }`(
+        @Forgery fakeSessionReplayConfiguration: SessionReplayConfiguration,
+        @Mock mockCore1: FeatureSdkCore,
+        @Mock mockCore2: FeatureSdkCore,
+        @Mock mockInternalLogger: InternalLogger
+    ) {
+        // Given
+        whenever(mockCore1.internalLogger).thenReturn(mockInternalLogger)
+        whenever(mockCore2.internalLogger).thenReturn(mockInternalLogger)
+        val fakeSessionReplayConfigurationWithMockRequirement = fakeSessionReplayConfiguration.copy(
+            systemRequirementsConfiguration = mockSystemRequirementsConfiguration
+        )
+        whenever(
+            mockSystemRequirementsConfiguration.runIfRequirementsMet(any(), any())
+        ) doAnswer {
+            it.getArgument<() -> Unit>(1).invoke()
+        }
+        whenever(mockCore1.isCoreActive()).thenReturn(true)
+        SessionReplay.enable(
+            sessionReplayConfiguration = fakeSessionReplayConfigurationWithMockRequirement,
+            sdkCore = mockCore1
+        )
+        assertThat(SessionReplay.currentRegisteredCore?.get()).isEqualTo(mockCore1)
+
+        // When
+        whenever(mockCore1.isCoreActive()).thenReturn(false)
+        SessionReplay.enable(
+            sessionReplayConfiguration = fakeSessionReplayConfigurationWithMockRequirement,
+            sdkCore = mockCore2
+        )
+
+        // Then
+        assertThat(SessionReplay.currentRegisteredCore?.get()).isEqualTo(mockCore2)
     }
 }