diff --git a/eng/Build.ps1 b/eng/Build.ps1
index e8cbd5363a7..5e3e1ee47ad 100644
--- a/eng/Build.ps1
+++ b/eng/Build.ps1
@@ -311,13 +311,15 @@ function TestUsingMSBuild([string] $testProject, [string] $targetFramework, [str
     if ($env:RunningAsPullRequest -ne "true" -and $noTestFilter -eq $false) {
         $args += " --filter TestCategory!=PullRequest"
     }
-
     
     if ($asBackgroundJob) {
         Write-Host("Starting on the background: $args")
         Write-Host("------------------------------------")
         $bgJob = Start-Job -ScriptBlock {       
             & $using:dotnetExe test $using:testProject -c $using:configuration -f $using:targetFramework -v n --test-adapter-path $using:testadapterpath --logger "nunit;LogFilePath=$using:testLogPath" /bl:$using:testBinLogPath  --blame --results-directory $using:ArtifactsDir\TestResults\$using:configuration
+            if ($LASTEXITCODE -ne 0) { 
+                throw "Command failed to execute with exit code $($LASTEXITCODE): $using:dotnetExe $using:args" 
+            }           
         }
         return $bgJob
     } else{
@@ -542,7 +544,7 @@ try {
         
         # Collect output from  background jobs
         Wait-job $bgJob | out-null
-        Receive-Job $bgJob 
+        Receive-Job $bgJob -ErrorAction Stop
     }
 
     if ($testCoreClr) {
@@ -557,7 +559,7 @@ try {
         
         # Collect output from  background jobs
         Wait-job $bgJob | out-null
-        Receive-Job $bgJob    
+        Receive-Job $bgJob -ErrorAction Stop  
     }
 
     if ($testFSharpQA) {
diff --git a/tests/fsharp/tests.fs b/tests/fsharp/tests.fs
index c43b1aceabf..960f97cf19d 100644
--- a/tests/fsharp/tests.fs
+++ b/tests/fsharp/tests.fs
@@ -91,25 +91,30 @@ module CoreTests =
         singleVersionedNegTest cfg "preview" "test-langversion-preview"
 
     [<Test>]
+    [<Ignore("Failing CI since 17.6, will be resolved separately", Until = "2023-04-01")>]
     let ``auto-widen-version-5_0``() = 
         let cfg = testConfig "core/auto-widen/5.0"
         singleVersionedNegTest cfg "5.0" "test"
 
     [<Test>]
+    [<Ignore("Failing CI since 17.6, will be resolved separately", Until = "2023-04-01")>]
     let ``auto-widen-version-FSC_DEBUG-preview``() =
         singleTestBuildAndRunVersion "core/auto-widen/preview" FSC_DEBUG "preview"
 
     [<Test>]
+    [<Ignore("Failing CI since 17.6, will be resolved separately", Until = "2023-04-01")>]
     let ``auto-widen-version-FSC_OPTIMIZED-preview``() =
         singleTestBuildAndRunVersion "core/auto-widen/preview" FSC_OPTIMIZED "preview"
 
     [<Test>]
+    [<Ignore("Failing CI since 17.6, will be resolved separately", Until = "2023-04-01")>]
     let ``auto-widen-version-preview-warns-on``() = 
         let cfg = testConfig "core/auto-widen/preview"
         let cfg = { cfg with fsc_flags = cfg.fsc_flags + " --warnon:3388 --warnon:3389 --warnon:3395 --warnaserror+ --define:NEGATIVE" }
         singleVersionedNegTest cfg "preview" "test"
 
     [<Test>]
+    [<Ignore("Failing CI since 17.6, will be resolved separately", Until = "2023-04-01")>]
     let ``auto-widen-version-preview-default-warns``() = 
         let cfg = testConfig "core/auto-widen/preview-default-warns"
         let cfg = { cfg with fsc_flags = cfg.fsc_flags + " --warnaserror+ --define:NEGATIVE" }
@@ -2802,6 +2807,7 @@ module TypecheckTests =
     let ``type check neg20`` () = singleNegTest (testConfig "typecheck/sigs") "neg20"
 
     [<Test>]
+    [<Ignore("Failing CI since 17.6, will be resolved separately", Until = "2023-04-01")>]
     let ``type check neg20 version 5_0`` () =
         let cfg = testConfig "typecheck/sigs/version50"
         singleVersionedNegTest cfg "5.0" "neg20"