diff --git a/CHANGELOG.md b/CHANGELOG.md
index 414fe6cfd29e87264d8789ae029682730033d2e1..05f33531dcd747549c82de798351c02c44eb8498 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,9 +1,9 @@
 ##20.09.0
 
 FEATURES
-* implemented data resend - data will be redelivered if it is not acknowledged during a given period or a consumer sent a negative acknowledge  
+* implemented negative acknowledges and data redelivery - data will be redelivered automatically for get_next calls if it is not acknowledged during a given period or a consumer sent a negative acknowledge  
 * introduced data source types - "raw" data is written to beamline filesystem and this can only be done from a certain IPs (detector PC,..),
-"processed" data is written to core filesystem
+"processed" data is written to core filesystem. File paths must now start with  `raw/`  or  `processed/`
 * Added RDMA support for the communication between consumer and receiver. (Improves transfer speeds while using less CPU resources)
   Requires LibFabric v1.11.0
   Receiver must have network mode 'Fabric' enabled and RDMAable AdvertiseURI. See config `DataServer.{AdvertiseURI, NetworkMode}`
@@ -16,7 +16,7 @@ BUG FIXES
 
 BREAKING CHANGES
 * an extra parameter in producer constructor for data source type
-
+* path of the files that are send from producer to asapo must start with `raw/` for raw source type or `processed/` for processed source type, otherwise the files will not be written and an error will be sent back 
 
 ## 20.06.3
 
diff --git a/tests/automatic/authorizer/check_authorize/check_windows.bat b/tests/automatic/authorizer/check_authorize/check_windows.bat
index 6ae1fc4789e8aad3c28ecae002dcbe00afe25fdb..ffa16088800e8cbd0dbd2b070e4cefd559c7fca2 100644
--- a/tests/automatic/authorizer/check_authorize/check_windows.bat
+++ b/tests/automatic/authorizer/check_authorize/check_windows.bat
@@ -5,12 +5,12 @@ start /B "" "%full_name%" -config settings.json
 
 ping 1.0.0.0 -n 1 -w 100 > nul
 
-mkdir asap3\petra3\gpfs\p01\2019\comissioning\c20180508-000-COM20181
+mkdir asap3\petra3\gpfs\p00\2019\comissioning\c20180508-000-COM20181
 mkdir beamline\p07\current
 copy beamtime-metadata* beamline\p07\current\ /y
 
 C:\Curl\curl.exe -v  --silent --data "{\"SourceCredentials\":\"processed%%c20180508-000-COM20181%%%%stream%%\",\"OriginHost\":\"127.0.0.1:5555\"}" 127.0.0.1:5007/authorize --stderr - | findstr c20180508-000-COM20181  || goto :error
-C:\Curl\curl.exe -v  --silent --data "{\"SourceCredentials\":\"processed%%c20180508-000-COM20181%%auto%%stream%%\",\"OriginHost\":\"127.0.0.1:5555\"}" 127.0.0.1:5007/authorize --stderr - | findstr p01  || goto :error
+C:\Curl\curl.exe -v  --silent --data "{\"SourceCredentials\":\"processed%%c20180508-000-COM20181%%auto%%stream%%\",\"OriginHost\":\"127.0.0.1:5555\"}" 127.0.0.1:5007/authorize --stderr - | findstr p00  || goto :error
 C:\Curl\curl.exe -v  --silent --data "{\"SourceCredentials\":\"processed%%c20180508-000-COM20181%%%%stream%%\",\"OriginHost\":\"127.0.0.1:5555\"}" 127.0.0.1:5007/authorize --stderr - | findstr stream  || goto :error
 
 C:\Curl\curl.exe -v  --silent --data "{\"SourceCredentials\":\"raw%%c20180508-000-COM20181%%%%stream%%wrong\",\"OriginHost\":\"127.0.0.1:5555\"}" 127.0.0.1:5007/authorize --stderr - | findstr 401  || goto :error