diff -r 41a5b2de5ad3 -r 45511dcfed3f test/jdk/sun/security/krb5/auto/KDC.java
--- a/test/jdk/sun/security/krb5/auto/KDC.java	Mon Jun 25 10:54:55 2018 +0200
+++ b/test/jdk/sun/security/krb5/auto/KDC.java	Tue Mar 20 11:16:10 2018 +0530
@@ -713,10 +713,10 @@
     /**
      * Returns a KerberosTime.
      *
-     * @param offset offset from NOW in milliseconds
+     * @param offset offset from NOW in seconds
      */
-    private static KerberosTime timeFor(long offset) {
-        return new KerberosTime(new Date().getTime() + offset);
+    private static KerberosTime timeAfter(int offset) {
+        return new KerberosTime(new Date().getTime() + offset * 1000L);
     }
 
     /**
@@ -832,12 +832,12 @@
             KerberosTime from = body.from;
             KerberosTime till = body.till;
             if (from == null || from.isZero()) {
-                from = timeFor(0);
+                from = timeAfter(0);
             }
             if (till == null) {
                 throw new KrbException(Krb5.KDC_ERR_NEVER_VALID); // TODO
             } else if (till.isZero()) {
-                till = timeFor(1000 * DEFAULT_LIFETIME);
+                till = timeAfter(DEFAULT_LIFETIME);
             }
 
             boolean[] bFlags = new boolean[Krb5.TKT_OPTS_MAX+1];
@@ -863,7 +863,7 @@
             }
             if (body.kdcOptions.get(KDCOptions.RENEWABLE)) {
                 bFlags[Krb5.TKT_OPTS_RENEWABLE] = true;
-                //renew = timeFor(1000 * 3600 * 24 * 7);
+                //renew = timeAfter(3600 * 24 * 7);
             }
             if (body.kdcOptions.get(KDCOptions.PROXIABLE)) {
                 bFlags[Krb5.TKT_OPTS_PROXIABLE] = true;
@@ -933,7 +933,7 @@
                     key,
                     cname,
                     new TransitedEncoding(1, new byte[0]),  // TODO
-                    timeFor(0),
+                    timeAfter(0),
                     from,
                     till, renewTill,
                     body.addresses != null ? body.addresses
@@ -952,13 +952,13 @@
             EncTGSRepPart enc_part = new EncTGSRepPart(
                     key,
                     new LastReq(new LastReqEntry[] {
-                        new LastReqEntry(0, timeFor(-10000))
+                        new LastReqEntry(0, timeAfter(-10))
                     }),
                     body.getNonce(),    // TODO: detect replay
-                    timeFor(1000 * 3600 * 24),
+                    timeAfter(3600 * 24),
                     // Next 5 and last MUST be same with ticket
                     tFlags,
-                    timeFor(0),
+                    timeAfter(0),
                     from,
                     till, renewTill,
                     service,
@@ -986,7 +986,7 @@
                     + " " +ke.returnCodeMessage());
             if (kerr == null) {
                 kerr = new KRBError(null, null, null,
-                        timeFor(0),
+                        timeAfter(0),
                         0,
                         ke.returnCode(),
                         body.cname,
@@ -1059,20 +1059,21 @@
             KerberosTime till = body.till;
             KerberosTime rtime = body.rtime;
             if (from == null || from.isZero()) {
-                from = timeFor(0);
+                from = timeAfter(0);
             }
             if (till == null) {
                 throw new KrbException(Krb5.KDC_ERR_NEVER_VALID); // TODO
             } else if (till.isZero()) {
-                till = timeFor(1000 * DEFAULT_LIFETIME);
-            } else if (till.greaterThan(timeFor(24 * 3600 * 1000))) {
+                till = timeAfter(DEFAULT_LIFETIME);
+            } else if (till.greaterThan(timeAfter(24 * 3600))
+                     && System.getProperty("test.kdc.force.till") == null) {
                 // If till is more than 1 day later, make it renewable
-                till = timeFor(1000 * DEFAULT_LIFETIME);
+                till = timeAfter(DEFAULT_LIFETIME);
                 body.kdcOptions.set(KDCOptions.RENEWABLE, true);
                 if (rtime == null) rtime = till;
             }
             if (rtime == null && body.kdcOptions.get(KDCOptions.RENEWABLE)) {
-                rtime = timeFor(1000 * DEFAULT_RENEWTIME);
+                rtime = timeAfter(DEFAULT_RENEWTIME);
             }
             //body.from
             boolean[] bFlags = new boolean[Krb5.TKT_OPTS_MAX+1];
@@ -1088,7 +1089,7 @@
             }
             if (body.kdcOptions.get(KDCOptions.RENEWABLE)) {
                 bFlags[Krb5.TKT_OPTS_RENEWABLE] = true;
-                //renew = timeFor(1000 * 3600 * 24 * 7);
+                //renew = timeAfter(3600 * 24 * 7);
             }
             if (body.kdcOptions.get(KDCOptions.PROXIABLE)) {
                 bFlags[Krb5.TKT_OPTS_PROXIABLE] = true;
@@ -1234,7 +1235,7 @@
                     key,
                     body.cname,
                     new TransitedEncoding(1, new byte[0]),
-                    timeFor(0),
+                    timeAfter(0),
                     from,
                     till, rtime,
                     body.addresses,
@@ -1246,13 +1247,13 @@
             EncASRepPart enc_part = new EncASRepPart(
                     key,
                     new LastReq(new LastReqEntry[]{
-                        new LastReqEntry(0, timeFor(-10000))
+                        new LastReqEntry(0, timeAfter(-10))
                     }),
                     body.getNonce(),    // TODO: detect replay?
-                    timeFor(1000 * 3600 * 24),
+                    timeAfter(3600 * 24),
                     // Next 5 and last MUST be same with ticket
                     tFlags,
-                    timeFor(0),
+                    timeAfter(0),
                     from,
                     till, rtime,
                     service,
@@ -1314,7 +1315,7 @@
                     eData = temp.toByteArray();
                 }
                 kerr = new KRBError(null, null, null,
-                        timeFor(0),
+                        timeAfter(0),
                         0,
                         ke.returnCode(),
                         body.cname,