AWS drs: DRS: new arm64 replication server instance type error

Service: drs · 2026-09-27 · Documentation low

File: drs/latest/userguide/replication-server-errors.md

Summary

Adds a new troubleshooting entry for the error 'arm64 replication server instance type is not supported', explaining the cause and resolution to select an x86_64 instance type.

Security assessment

Troubleshooting documentation for an instance-type compatibility error; no security content.

Evidence

+**Resolution:** Select an `x86_64` replication server instance type. Replication servers use `x86_64` even when the source server uses `arm64`.

Diff

diff --git a/drs/latest/userguide/replication-server-errors.md b/drs/latest/userguide/replication-server-errors.md
index fae5c71ea..f5b5a7a53 100644
--- a//drs/latest/userguide/replication-server-errors.md
+++ b//drs/latest/userguide/replication-server-errors.md
@@ -7 +7 @@
-Error: Failed to launch replication serverError: Failed to boot replication serverError: Failed to create staging disksError: Failed to attach staging disksError: Failed to create firewall rulesError: Failed to start data transferError: Snapshot failure
+Error: Failed to launch replication serverError: Failed to boot replication serverError: Failed to create staging disksError: Failed to attach staging disksError: Failed to create firewall rulesError: Failed to start data transferError: arm64 replication server instance type is not supportedError: Snapshot failure
@@ -26,0 +27,2 @@ This topic covers errors related to the replication server infrastructure, inclu
+  * Error: arm64 replication server instance type is not supported
+
@@ -154,0 +157,8 @@ Compare the quota value against the number of running instances in the staging a
+## Error: arm64 replication server instance type is not supported
+
+**Error message:** **`Instance type '`instance-type`' is not supported. Only instance types with 'x86_64' architecture are supported.`**
+
+**Cause:** You selected an `arm64` instance type for a replication server.
+
+**Resolution:** Select an `x86_64` replication server instance type. Replication servers use `x86_64` even when the source server uses `arm64`.
+