Reduce the number of retries and shorten the sleep interval to impact…

… air-gapped environments less

Signed-off-by: Aram Price <[email protected]>

modules/BOSH.Utils/BOSH.Utils.psm1

@@ -362,9 +362,8 @@ function Invoke-Certutil {
         [Parameter(Mandatory=$True)]
         [string]$generateSSTFromWU
         )
-    # We balance number of retries against unnecessarily slowing down air-grapped envs
-    # 595 seconds is one standard deviation for intervals of failed certutils;
-    $NumberOfRetries = 20 # One standard deviation (30 seconds * 20 retries = 600)
+    # We balance number of retries against unnecessarily slowing down air-gapped envs
+    $NumberOfRetries = 10
     $i = 0
     while ($i -lt $NumberOfRetries) {
         $Result = Invoke-Command -ScriptBlock { certutil -generateSSTFromWU $generateSSTFromWU }
@@ -375,7 +374,7 @@ function Invoke-Certutil {
         }
 
         Write-Host "Error generating cert file from windows update server. Retry #$i $Result"
-        Start-Sleep -Seconds 30
+        Start-Sleep -Seconds 5
         $i++
     }
     if ($LASTEXITCODE -ne 0) {