diff --git a/testing/tests/regression-suite/0309-Chandler-PROPFIND-3.result b/testing/tests/regression-suite/0309-Chandler-PROPFIND-3.result
index 9b0ac0ae..e6f96d98 100644
--- a/testing/tests/regression-suite/0309-Chandler-PROPFIND-3.result
+++ b/testing/tests/regression-suite/0309-Chandler-PROPFIND-3.result
@@ -2,7 +2,10 @@ HTTP/1.1 404 Not Found
 Date: Dow, 01 Jan 2000 00:00:00 GMT
 DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
 DAV: extended-mkcol, calendar-proxy, bind, addressbook, calendar-auto-schedule
-Content-Length: 44
-Content-Type: text/plain; charset="utf-8"
+Content-Length: 129
+Content-Type: text/xml; charset="utf-8"
 
-That resource is not present on this server.
\ No newline at end of file
+<?xml version="1.0" encoding="utf-8" ?>
+<error xmlns="DAV:">
+  <must-exist/>That resource is not present on this server.
+</error>
\ No newline at end of file
diff --git a/testing/tests/regression-suite/0921-PROPFIND-supported-stuff.result b/testing/tests/regression-suite/0921-PROPFIND-supported-stuff.result
index dd495b8a..e6f96d98 100644
--- a/testing/tests/regression-suite/0921-PROPFIND-supported-stuff.result
+++ b/testing/tests/regression-suite/0921-PROPFIND-supported-stuff.result
@@ -1,17 +1,11 @@
-HTTP/1.1 403 Forbidden
+HTTP/1.1 404 Not Found
 Date: Dow, 01 Jan 2000 00:00:00 GMT
-DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule, extended-mkcol, calendar-proxy, bind, addressbook, calendar-auto-schedule
-Content-Length: 223
+DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
+DAV: extended-mkcol, calendar-proxy, bind, addressbook, calendar-auto-schedule
+Content-Length: 129
 Content-Type: text/xml; charset="utf-8"
 
 <?xml version="1.0" encoding="utf-8" ?>
 <error xmlns="DAV:">
- <need-privileges>
-  <resource>
-   <href>/caldav.php/bogusprincipal/</href>
-   <privilege>
-    <read/>
-   </privilege>
-  </resource>
- </need-privileges>
-</error>
+  <must-exist/>That resource is not present on this server.
+</error>
\ No newline at end of file
diff --git a/testing/tests/regression-suite/0922-PROPFIND-supported-stuff.result b/testing/tests/regression-suite/0922-PROPFIND-supported-stuff.result
index 9b0ac0ae..e6f96d98 100644
--- a/testing/tests/regression-suite/0922-PROPFIND-supported-stuff.result
+++ b/testing/tests/regression-suite/0922-PROPFIND-supported-stuff.result
@@ -2,7 +2,10 @@ HTTP/1.1 404 Not Found
 Date: Dow, 01 Jan 2000 00:00:00 GMT
 DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
 DAV: extended-mkcol, calendar-proxy, bind, addressbook, calendar-auto-schedule
-Content-Length: 44
-Content-Type: text/plain; charset="utf-8"
+Content-Length: 129
+Content-Type: text/xml; charset="utf-8"
 
-That resource is not present on this server.
\ No newline at end of file
+<?xml version="1.0" encoding="utf-8" ?>
+<error xmlns="DAV:">
+  <must-exist/>That resource is not present on this server.
+</error>
\ No newline at end of file
diff --git a/testing/tests/regression-suite/0923-PROPFIND-supported-stuff.result b/testing/tests/regression-suite/0923-PROPFIND-supported-stuff.result
index 9b0ac0ae..e6f96d98 100644
--- a/testing/tests/regression-suite/0923-PROPFIND-supported-stuff.result
+++ b/testing/tests/regression-suite/0923-PROPFIND-supported-stuff.result
@@ -2,7 +2,10 @@ HTTP/1.1 404 Not Found
 Date: Dow, 01 Jan 2000 00:00:00 GMT
 DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
 DAV: extended-mkcol, calendar-proxy, bind, addressbook, calendar-auto-schedule
-Content-Length: 44
-Content-Type: text/plain; charset="utf-8"
+Content-Length: 129
+Content-Type: text/xml; charset="utf-8"
 
-That resource is not present on this server.
\ No newline at end of file
+<?xml version="1.0" encoding="utf-8" ?>
+<error xmlns="DAV:">
+  <must-exist/>That resource is not present on this server.
+</error>
\ No newline at end of file
diff --git a/testing/tests/regression-suite/0948-MKTICKET.result b/testing/tests/regression-suite/0948-MKTICKET.result
index c42156e8..b2642952 100644
--- a/testing/tests/regression-suite/0948-MKTICKET.result
+++ b/testing/tests/regression-suite/0948-MKTICKET.result
@@ -4,11 +4,11 @@ DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
 DAV: extended-mkcol, calendar-proxy, bind, addressbook, calendar-auto-schedule
 Ticket:Good Ticket ID
 ETag: "Some good etag"
-Content-Length: 504
+Content-Length: 440
 Content-Type: text/xml; charset="utf-8"
 
 <?xml version="1.0" encoding="utf-8" ?>
-<prop xmlns="DAV:" xmlns:T="http://www.xythos.com/namespaces/StorageServer" xmlns:C="urn:ietf:params:xml:ns:caldav">
+<prop xmlns="DAV:" xmlns:T="http://www.xythos.com/namespaces/StorageServer">
  <T:ticketdiscovery>
   <T:ticketinfo>
    <T:id>Good Ticket ID</T:id>
@@ -18,7 +18,6 @@ Content-Type: text/xml; charset="utf-8"
    <privilege>
     <read/>
     <read-current-user-privilege-set/>
-    <C:read-free-busy/>
    </privilege>
    <T:timeout>Second-3600</T:timeout>
    <T:visits>infinity</T:visits>
diff --git a/testing/tests/regression-suite/0950-MKTICKET.result b/testing/tests/regression-suite/0950-MKTICKET.result
index e974fe49..75793cf1 100644
--- a/testing/tests/regression-suite/0950-MKTICKET.result
+++ b/testing/tests/regression-suite/0950-MKTICKET.result
@@ -4,11 +4,11 @@ DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
 DAV: extended-mkcol, calendar-proxy, bind, addressbook, calendar-auto-schedule
 Ticket:Good Ticket ID
 ETag: "Some good ETag"
-Content-Length: 589
+Content-Length: 525
 Content-Type: text/xml; charset="utf-8"
 
 <?xml version="1.0" encoding="utf-8" ?>
-<prop xmlns="DAV:" xmlns:T="http://www.xythos.com/namespaces/StorageServer" xmlns:C="urn:ietf:params:xml:ns:caldav">
+<prop xmlns="DAV:" xmlns:T="http://www.xythos.com/namespaces/StorageServer">
  <T:ticketdiscovery>
   <T:ticketinfo>
    <T:id>Good Ticket ID</T:id>
@@ -18,7 +18,6 @@ Content-Type: text/xml; charset="utf-8"
    <privilege>
     <read/>
     <read-current-user-privilege-set/>
-    <C:read-free-busy/>
     <write/>
     <write-properties/>
     <write-content/>
diff --git a/testing/tests/regression-suite/0954-PROPFIND.result b/testing/tests/regression-suite/0954-PROPFIND.result
index 4a200c01..e6ab7a27 100644
--- a/testing/tests/regression-suite/0954-PROPFIND.result
+++ b/testing/tests/regression-suite/0954-PROPFIND.result
@@ -53,7 +53,6 @@
       <privilege>
        <read/>
        <read-current-user-privilege-set/>
-       <C:read-free-busy/>
       </privilege>
      </TKT:ticketinfo>
     </TKT:ticketdiscovery>
diff --git a/testing/tests/regression-suite/0957-MKTICKET.result b/testing/tests/regression-suite/0957-MKTICKET.result
index 14ba20a2..30fae73f 100644
--- a/testing/tests/regression-suite/0957-MKTICKET.result
+++ b/testing/tests/regression-suite/0957-MKTICKET.result
@@ -4,11 +4,11 @@ DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
 DAV: extended-mkcol, calendar-proxy, bind, addressbook, calendar-auto-schedule
 Ticket:Good Ticket ID
 ETag: "Some good etag"
-Content-Length: 585
+Content-Length: 521
 Content-Type: text/xml; charset="utf-8"
 
 <?xml version="1.0" encoding="utf-8" ?>
-<prop xmlns="DAV:" xmlns:T="http://www.xythos.com/namespaces/StorageServer" xmlns:C="urn:ietf:params:xml:ns:caldav">
+<prop xmlns="DAV:" xmlns:T="http://www.xythos.com/namespaces/StorageServer">
  <T:ticketdiscovery>
   <T:ticketinfo>
    <T:id>Good Ticket ID</T:id>
@@ -18,7 +18,6 @@ Content-Type: text/xml; charset="utf-8"
    <privilege>
     <read/>
     <read-current-user-privilege-set/>
-    <C:read-free-busy/>
     <write/>
     <write-properties/>
     <write-content/>
diff --git a/testing/tests/regression-suite/0991-MKTICKET-admin.result b/testing/tests/regression-suite/0991-MKTICKET-admin.result
index b17f7010..dc43ec33 100644
--- a/testing/tests/regression-suite/0991-MKTICKET-admin.result
+++ b/testing/tests/regression-suite/0991-MKTICKET-admin.result
@@ -4,11 +4,11 @@ DAV: 1, 2, 3, access-control, calendar-access, calendar-schedule
 DAV: extended-mkcol, calendar-proxy, bind, addressbook, calendar-auto-schedule
 Ticket:Good Ticket ID
 ETag: "Some good etag"
-Content-Length: 585
+Content-Length: 521
 Content-Type: text/xml; charset="utf-8"
 
 <?xml version="1.0" encoding="utf-8" ?>
-<prop xmlns="DAV:" xmlns:T="http://www.xythos.com/namespaces/StorageServer" xmlns:C="urn:ietf:params:xml:ns:caldav">
+<prop xmlns="DAV:" xmlns:T="http://www.xythos.com/namespaces/StorageServer">
  <T:ticketdiscovery>
   <T:ticketinfo>
    <T:id>Good Ticket ID</T:id>
@@ -18,7 +18,6 @@ Content-Type: text/xml; charset="utf-8"
    <privilege>
     <read/>
     <read-current-user-privilege-set/>
-    <C:read-free-busy/>
     <write/>
     <write-properties/>
     <write-content/>