diff --git a/conan/profiles/default b/conan/profiles/default
index cde59f7f3b..fd977f3dcc 100644
--- a/conan/profiles/default
+++ b/conan/profiles/default
@@ -23,3 +23,15 @@ compiler.libcxx={{detect_api.detect_libcxx(compiler, version, compiler_exe)}}
 {% if compiler == "gcc" and compiler_version < 13 %}
 tools.build:cxxflags+=['-Wno-restrict']
 {% endif %}
+{% if os == "Windows" %}
+# opentelemetry-cpp's recipe removes the `shared` option on Windows and never
+# sets BUILD_SHARED_LIBS, so its upstream CMake defaults the protobuf-generated
+# `opentelemetry_proto` target to a DLL (opentelemetry_proto.dll). The rest of
+# the project links statically and nothing deploys that DLL next to the
+# executables, so the telemetry unit test fails to start with
+# STATUS_DLL_NOT_FOUND (0xC0000135). Force the dependency to build fully static
+# so no runtime DLL is produced. The conf is folded into the package id so a
+# fresh static binary is built instead of reusing a previously cached one.
+opentelemetry-cpp/*:tools.cmake.cmaketoolchain:extra_variables={"BUILD_SHARED_LIBS": "OFF"}
+opentelemetry-cpp/*:tools.info.package_id:confs+=["tools.cmake.cmaketoolchain:extra_variables"]
+{% endif %}
diff --git a/src/libxrpl/basics/Log.cpp b/src/libxrpl/basics/Log.cpp
index a841dcd910..c560b8bbd0 100644
--- a/src/libxrpl/basics/Log.cpp
+++ b/src/libxrpl/basics/Log.cpp
@@ -9,7 +9,11 @@
 
 #ifdef XRPL_ENABLE_TELEMETRY
 #include <opentelemetry/context/runtime_context.h>
-#include <opentelemetry/trace/context.h>
+#include <opentelemetry/nostd/shared_ptr.h>
+#include <opentelemetry/nostd/span.h>
+#include <opentelemetry/nostd/variant.h>
+#include <opentelemetry/trace/span.h>
+#include <opentelemetry/trace/span_metadata.h>
 #endif  // XRPL_ENABLE_TELEMETRY
 
 #include <chrono>
diff --git a/src/libxrpl/beast/insight/OTelCollector.cpp b/src/libxrpl/beast/insight/OTelCollector.cpp
index 555c9ed207..098d39d2d4 100644
--- a/src/libxrpl/beast/insight/OTelCollector.cpp
+++ b/src/libxrpl/beast/insight/OTelCollector.cpp
@@ -54,7 +54,7 @@
 #include <opentelemetry/sdk/metrics/view/instrument_selector_factory.h>
 #include <opentelemetry/sdk/metrics/view/meter_selector_factory.h>
 #include <opentelemetry/sdk/metrics/view/view_factory.h>
-#include <opentelemetry/sdk/resource/semantic_conventions.h>
+#include <opentelemetry/semconv/incubating/service_attributes.h>
 
 #include <atomic>
 #include <chrono>
@@ -362,7 +362,7 @@ private:
  * @code
  *   auto collector = OTelCollector::New(
  *       "http://localhost:4318/v1/metrics", "xrpld", journal);
- *   auto counter = collector->make_counter("rpc.requests");
+ *   auto counter = collector->makeCounter("rpc.requests");
  *   counter.increment(1);
  *   // Metric "xrpld_rpc_requests" exported via OTLP every 1s.
  * @endcode
@@ -393,19 +393,19 @@ public:
     /** @name Collector interface implementation */
     /** @{ */
     Hook
-    make_hook(HookImpl::HandlerType const& handler) override;
+    makeHook(HookImpl::HandlerType const& handler) override;
 
     Counter
-    make_counter(std::string const& name) override;
+    makeCounter(std::string const& name) override;
 
     Event
-    make_event(std::string const& name) override;
+    makeEvent(std::string const& name) override;
 
     Gauge
-    make_gauge(std::string const& name) override;
+    makeGauge(std::string const& name) override;
 
     Meter
-    make_meter(std::string const& name) override;
+    makeMeter(std::string const& name) override;
     /** @} */
 
     /** @name Hook management for observable callbacks */
@@ -680,9 +680,9 @@ OTelCollectorImp::OTelCollectorImp(
     // Include service.instance.id when provided so Prometheus
     // exported_instance labels distinguish multi-node deployments.
     resource::ResourceAttributes attrs;
-    attrs[resource::SemanticConventions::kServiceName] = "xrpld";
+    attrs[opentelemetry::semconv::service::kServiceName] = "xrpld";
     if (!instanceId.empty())
-        attrs[resource::SemanticConventions::kServiceInstanceId] = instanceId;
+        attrs[opentelemetry::semconv::service::kServiceInstanceId] = instanceId;
     auto resourceAttrs = resource::Resource::Create(attrs);
 
     // Create MeterProvider with resource, then attach the metric reader.
@@ -701,7 +701,6 @@ OTelCollectorImp::OTelCollectorImp(
     auto histogramView = metrics_sdk::ViewFactory::Create(
         "default_histogram",
         "Default histogram view with SpanMetrics-compatible buckets",
-        "ms",
         metrics_sdk::AggregationType::kHistogram,
         std::move(histogramConfig));
 
@@ -729,32 +728,32 @@ OTelCollectorImp::~OTelCollectorImp()
 }
 
 Hook
-OTelCollectorImp::make_hook(HookImpl::HandlerType const& handler)
+OTelCollectorImp::makeHook(HookImpl::HandlerType const& handler)
 {
     return Hook(std::make_shared<OTelHookImpl>(handler, shared_from_this()));
 }
 
 Counter
-OTelCollectorImp::make_counter(std::string const& name)
+OTelCollectorImp::makeCounter(std::string const& name)
 {
     return Counter(std::make_shared<OTelCounterImpl>(formatName(name), m_otelMeter));
 }
 
 Event
-OTelCollectorImp::make_event(std::string const& name)
+OTelCollectorImp::makeEvent(std::string const& name)
 {
     return Event(std::make_shared<OTelEventImpl>(formatName(name), m_otelMeter));
 }
 
 Gauge
-OTelCollectorImp::make_gauge(std::string const& name)
+OTelCollectorImp::makeGauge(std::string const& name)
 {
     return Gauge(
         std::make_shared<OTelGaugeImpl>(formatName(name), m_otelMeter, shared_from_this()));
 }
 
 Meter
-OTelCollectorImp::make_meter(std::string const& name)
+OTelCollectorImp::makeMeter(std::string const& name)
 {
     return Meter(std::make_shared<OTelMeterImpl>(formatName(name), m_otelMeter));
 }
@@ -871,7 +870,7 @@ OTelCollector::New(
     std::string const& /* instanceId */,
     Journal /* journal */)
 {
-    return NullCollector::New();
+    return NullCollector::make();
 }
 
 }  // namespace beast::insight
diff --git a/src/libxrpl/telemetry/SpanGuard.cpp b/src/libxrpl/telemetry/SpanGuard.cpp
index 41a5c9d380..6a5b1fb5a0 100644
--- a/src/libxrpl/telemetry/SpanGuard.cpp
+++ b/src/libxrpl/telemetry/SpanGuard.cpp
@@ -48,9 +48,11 @@
 #include <exception>
 #include <initializer_list>
 #include <memory>
+#include <string>
 #include <string_view>
 #include <typeinfo>
 #include <utility>
+#include <vector>
 
 namespace xrpl::telemetry {
 
@@ -463,9 +465,7 @@ SpanGuard::addEvent(std::string_view name, std::initializer_list<EventAttribute>
     // OTel's AddEvent template requires a key-value-iterable; a plain
     // std::vector<std::pair<...>> doesn't satisfy is_key_value_iterable.
     // Wrap in nostd::span over the vector's storage so the SDK accepts it.
-    std::vector<std::pair<
-        opentelemetry::noopentelemetry::nostd::string_view,
-        opentelemetry::common::AttributeValue>>
+    std::vector<std::pair<opentelemetry::nostd::string_view, opentelemetry::common::AttributeValue>>
 
         otelAttrs;
     otelAttrs.reserve(attrs.size());