diff --git a/test/distrib/csharp/run_distrib_test.bat b/test/distrib/csharp/run_distrib_test.bat
index b4a6aefc67eaf1ae4df0a93959eb521ee137bc41..6cf381142f4b5a8add9d633ea4260c59d044e2e7 100644
--- a/test/distrib/csharp/run_distrib_test.bat
+++ b/test/distrib/csharp/run_distrib_test.bat
@@ -36,7 +36,17 @@ powershell -Command "Add-Type -Assembly 'System.IO.Compression.FileSystem'; [Sys
 update_version.sh auto
 
 set NUGET=C:\nuget\nuget.exe
-%NUGET% restore || goto :error
+
+@rem TODO(jtattermusch): Get rid of this hack. See #8034
+@rem We can't do just "nuget restore" because restoring a .sln solution doesn't work
+@rem with nuget 3.X. On the other hand, we need nuget 2.12+ to be able to restore
+@rem some of the packages (e.g. System.Interactive.Async), but nuget 2.12
+@rem hasn't been officially released.
+@rem Please note that "Restore nuget packages" in VS2013 and VS2015 GUI works as usual.
+
+cd DistribTest || goto :error
+%NUGET% restore -PackagesDirectory ../packages || goto :error
+cd ..
 
 @call build_vs2015.bat DistribTest.sln %MSBUILD_EXTRA_ARGS% || goto :error
 
diff --git a/tools/run_tests/pre_build_csharp.bat b/tools/run_tests/pre_build_csharp.bat
index 580d5638fda3ac1f354a517e9dc3c33ce6f6ce4e..f15979a96bef3eed6fc89a368a36dd7e011688fe 100644
--- a/tools/run_tests/pre_build_csharp.bat
+++ b/tools/run_tests/pre_build_csharp.bat
@@ -38,9 +38,10 @@ cd /d %~dp0\..\..
 set NUGET=C:\nuget\nuget.exe
 
 if exist %NUGET% (
+  @rem TODO(jtattermusch): Get rid of this hack. See #8034
   @rem Restore Grpc packages by packages since Nuget client 3.4.4 doesnt support restore
   @rem by solution
-  @rem Moving into each directory to let the restores work with both nuget 3.4 and 2.8
+  @rem Moving into each directory to let the restores work based on per-project packages.config files
   %NUGET% restore vsprojects/grpc_csharp_ext.sln || goto :error
 
   cd src/csharp
diff --git a/tools/run_tests/pre_build_csharp.sh b/tools/run_tests/pre_build_csharp.sh
index 0fd3b92a9513507898e840c0e5f19126413465d5..ee678ddce5f5c6858443f73f493ab9e493b9d6c0 100755
--- a/tools/run_tests/pre_build_csharp.sh
+++ b/tools/run_tests/pre_build_csharp.sh
@@ -37,9 +37,10 @@ root=`pwd`
 
 if [ -x "$(command -v nuget)" ]
 then
+  # TODO(jtattermusch): Get rid of this hack. See #8034
   # Restoring Nuget packages by packages rather than by solution because of
   # inability to restore by solution with Nuget client 3.4.4
-  # Moving into each directory to let the restores work with nuget 3.4 and 2.8
+  # Moving into each directory to let the restores work based on per-project packages.config files
   cd Grpc.Auth
   nuget restore -PackagesDirectory ../packages
   cd ..