diff --git a/dotnet/Directory.Packages.props b/dotnet/Directory.Packages.props
index 465355394d67..5664a440ce2b 100644
--- a/dotnet/Directory.Packages.props
+++ b/dotnet/Directory.Packages.props
@@ -114,7 +114,7 @@
     <PackageVersion Include="YamlDotNet" Version="15.3.0" />
     <PackageVersion Include="Fluid.Core" Version="2.11.1" />
     <!-- Memory stores -->
-    <PackageVersion Include="Microsoft.Azure.Cosmos" Version="3.44.0-preview.1" />
+    <PackageVersion Include="Microsoft.Azure.Cosmos" Version="3.45.2" />
     <PackageVersion Include="Pgvector" Version="0.2.0" />
     <PackageVersion Include="NRedisStack" Version="0.12.0" />
     <PackageVersion Include="Milvus.Client" Version="2.3.0-preview.1" />
diff --git a/dotnet/src/Connectors/Connectors.AzureCosmosDBNoSQL.UnitTests/AzureCosmosDBNoSQLVectorStoreRecordCollectionTests.cs b/dotnet/src/Connectors/Connectors.AzureCosmosDBNoSQL.UnitTests/AzureCosmosDBNoSQLVectorStoreRecordCollectionTests.cs
index fc78fb74c244..d8718eb2f2b5 100644
--- a/dotnet/src/Connectors/Connectors.AzureCosmosDBNoSQL.UnitTests/AzureCosmosDBNoSQLVectorStoreRecordCollectionTests.cs
+++ b/dotnet/src/Connectors/Connectors.AzureCosmosDBNoSQL.UnitTests/AzureCosmosDBNoSQLVectorStoreRecordCollectionTests.cs
@@ -123,13 +123,6 @@ public async Task CreateCollectionUsesValidContainerPropertiesAsync(IndexingMode
 
         var expectedVectorEmbeddingPolicy = new VectorEmbeddingPolicy(
         [
-            new Embedding
-            {
-                DataType = VectorDataType.Float16,
-                Dimensions = 1,
-                DistanceFunction = Microsoft.Azure.Cosmos.DistanceFunction.Cosine,
-                Path = "/DescriptionEmbedding1"
-            },
             new Embedding
             {
                 DataType = VectorDataType.Float32,
@@ -157,7 +150,6 @@ public async Task CreateCollectionUsesValidContainerPropertiesAsync(IndexingMode
         {
             VectorIndexes =
             [
-                new VectorIndexPath { Type = VectorIndexType.Flat, Path = "/DescriptionEmbedding1" },
                 new VectorIndexPath { Type = VectorIndexType.Flat, Path = "/DescriptionEmbedding2" },
                 new VectorIndexPath { Type = VectorIndexType.QuantizedFlat, Path = "/DescriptionEmbedding3" },
                 new VectorIndexPath { Type = VectorIndexType.DiskANN, Path = "/DescriptionEmbedding4" },
@@ -172,7 +164,6 @@ public async Task CreateCollectionUsesValidContainerPropertiesAsync(IndexingMode
             expectedIndexingPolicy.IncludedPaths.Add(new IncludedPath { Path = "/IndexableData2/?" });
             expectedIndexingPolicy.IncludedPaths.Add(new IncludedPath { Path = "/" });
 
-            expectedIndexingPolicy.ExcludedPaths.Add(new ExcludedPath { Path = "/DescriptionEmbedding1/*" });
             expectedIndexingPolicy.ExcludedPaths.Add(new ExcludedPath { Path = "/DescriptionEmbedding2/*" });
             expectedIndexingPolicy.ExcludedPaths.Add(new ExcludedPath { Path = "/DescriptionEmbedding3/*" });
             expectedIndexingPolicy.ExcludedPaths.Add(new ExcludedPath { Path = "/DescriptionEmbedding4/*" });
@@ -704,9 +695,6 @@ private sealed class TestIndexingModel
         [VectorStoreRecordKey]
         public string? Id { get; set; }
 
-        [VectorStoreRecordVector(Dimensions: 1, DistanceFunction: DistanceFunction.CosineSimilarity, IndexKind: IndexKind.Flat)]
-        public ReadOnlyMemory<Half>? DescriptionEmbedding1 { get; set; }
-
         [VectorStoreRecordVector(Dimensions: 2, DistanceFunction: DistanceFunction.CosineSimilarity, IndexKind: IndexKind.Flat)]
         public ReadOnlyMemory<float>? DescriptionEmbedding2 { get; set; }
 
diff --git a/dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBNoSQL/AzureCosmosDBNoSQLMemoryStore.cs b/dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBNoSQL/AzureCosmosDBNoSQLMemoryStore.cs
index f89481ed107b..ab898fad6c13 100644
--- a/dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBNoSQL/AzureCosmosDBNoSQLMemoryStore.cs
+++ b/dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBNoSQL/AzureCosmosDBNoSQLMemoryStore.cs
@@ -63,7 +63,7 @@ public AzureCosmosDBNoSQLMemoryStore(
                     new Embedding
                     {
                         DataType = vectorDataType,
-                        Dimensions = dimensions,
+                        Dimensions = (int)dimensions,
                         DistanceFunction = DistanceFunction.Cosine,
                         Path = EmbeddingPath,
                     }
@@ -141,10 +141,10 @@ contain an embedding path at {EmbeddingPath}. It's also recommended to include t
                 be specified as {nameof(DistanceFunction)}.{nameof(DistanceFunction.Cosine)}.
                 """);
         }
-        else if (embedding.DataType != VectorDataType.Float16 && embedding.DataType != VectorDataType.Float32)
+        else if (embedding.DataType != VectorDataType.Float32)
         {
             throw new NotSupportedException($"""
-                Only {nameof(VectorDataType)}.{nameof(VectorDataType.Float16)} and {nameof(VectorDataType)}.{nameof(VectorDataType.Float32)}
+                Only {nameof(VectorDataType)}.{nameof(VectorDataType.Float32)}
                 are supported.
                 """);
         }
diff --git a/dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBNoSQL/AzureCosmosDBNoSQLVectorStoreRecordCollection.cs b/dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBNoSQL/AzureCosmosDBNoSQLVectorStoreRecordCollection.cs
index e458713bfff3..ba993c758dc8 100644
--- a/dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBNoSQL/AzureCosmosDBNoSQLVectorStoreRecordCollection.cs
+++ b/dotnet/src/Connectors/Connectors.Memory.AzureCosmosDBNoSQL/AzureCosmosDBNoSQLVectorStoreRecordCollection.cs
@@ -57,11 +57,6 @@ public sealed class AzureCosmosDBNoSQLVectorStoreRecordCollection<TRecord> :
     /// <summary>A <see cref="HashSet{T}"/> of types that vector properties on the provided model may have, based on <see cref="VectorDataType"/> enumeration.</summary>
     private static readonly HashSet<Type> s_supportedVectorTypes =
     [
-        // Float16
-#if NET5_0_OR_GREATER
-        typeof(ReadOnlyMemory<Half>),
-        typeof(ReadOnlyMemory<Half>?),
-#endif
         // Float32
         typeof(ReadOnlyMemory<float>),
         typeof(ReadOnlyMemory<float>?),
@@ -485,7 +480,7 @@ private ContainerProperties GetContainerProperties()
             var embedding = new Embedding
             {
                 DataType = GetDataType(property.PropertyType, vectorPropertyName),
-                Dimensions = (ulong)property.Dimensions,
+                Dimensions = (int)property.Dimensions,
                 DistanceFunction = GetDistanceFunction(property.DistanceFunction, vectorPropertyName),
                 Path = path
             };
@@ -576,9 +571,6 @@ private static VectorDataType GetDataType(Type vectorDataType, string vectorProp
     {
         return vectorDataType switch
         {
-#if NET5_0_OR_GREATER
-            Type type when type == typeof(ReadOnlyMemory<Half>) || type == typeof(ReadOnlyMemory<Half>?) => VectorDataType.Float16,
-#endif
             Type type when type == typeof(ReadOnlyMemory<float>) || type == typeof(ReadOnlyMemory<float>?) => VectorDataType.Float32,
             Type type when type == typeof(ReadOnlyMemory<byte>) || type == typeof(ReadOnlyMemory<byte>?) => VectorDataType.Uint8,
             Type type when type == typeof(ReadOnlyMemory<sbyte>) || type == typeof(ReadOnlyMemory<sbyte>?) => VectorDataType.Int8,