Binary compatibility report for the rpcrt4.dll library between 6.0.6001.18000-Windows SDK 6.0 and 6.1.7600.16385-Windows SDK 7.1 versions on x86

Test Info

Library Name	rpcrt4.dll
Version #1	6.0.6001.18000-Windows SDK 6.0
Version #2	6.1.7600.16385-Windows SDK 7.1
CPU Architecture	x86

Test Results

Total Header Files	8
Total Dynamic Libraries	1
Total Symbols / Types	437 / 470
Verdict	Incompatible (0.23%)

Problem Summary

	Severity	Count
Added Symbols	-	1
Removed Symbols	High	0
Problems with Data Types	High	2
	Medium	0
	Low	1
Problems with Symbols	High	0
	Medium	0
	Low	7
Problems with Constants	Low	0

Added Symbols (1)

rpcdcep.h, rpcrt4.dll
I_RpcMgmtEnableDedicatedThreadPool ( )

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Problems with Data Types, High Severity (2)

	Change	Effect
1	Field Metadata has been removed from the middle position of this structural type.	1) Previous accesses of applications to the removed field will be incorrect. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.
2	Field MetadataPresent has been removed from the middle position of this structural type.	1) Previous accesses of applications to the removed field will be incorrect. 2) Layout of structure fields has been changed and therefore fields at higher positions of the structure definition may be incorrectly accessed by applications.

rpcdcep.h
[+] struct _RDR_CALLOUT_STATE (2)

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Problems with Data Types, Low Severity (1)

	Change	Effect
1	Size of this type has been changed from 96 bytes to 88 bytes.	The fields or parameters of such data type may be incorrectly initialized or accessed by old client applications.

rpcdcep.h
[+] struct _RDR_CALLOUT_STATE (1)

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Problems with Symbols, Low Severity (7)

	Change	Effect
1	Type of 2nd parameter pChannel has been changed from IRpcChannelBuffer* to void*.	Replacement of parameter data type may indicate a change in its semantic meaning.
2	Type of 1st parameter pThis has been changed from IRpcStubBuffer* to void*.	Replacement of parameter data type may indicate a change in its semantic meaning.

	Change	Effect
1	Type of 1st parameter pChannel has been changed from IRpcChannelBuffer* to void*.	Replacement of parameter data type may indicate a change in its semantic meaning.

	Change	Effect
1	Type of 2nd parameter pChannel has been changed from IRpcChannelBuffer* to void*.	Replacement of parameter data type may indicate a change in its semantic meaning.
2	Type of 1st parameter pThis has been changed from IRpcStubBuffer* to void*.	Replacement of parameter data type may indicate a change in its semantic meaning.

	Change	Effect
1	Type of 2nd parameter pChannel has been changed from IRpcChannelBuffer* to void*.	Replacement of parameter data type may indicate a change in its semantic meaning.
2	Type of 1st parameter pThis has been changed from IRpcStubBuffer* to void*.	Replacement of parameter data type may indicate a change in its semantic meaning.

rpcndr.h, rpcrt4.dll
[+] NdrServerMarshall ( IRpcStubBuffer* pThis, IRpcChannelBuffer* pChannel, PMIDL_STUB_MESSAGE pStubMsg, PFORMAT_STRING pFormat ) (2)
[+] NdrServerUnmarshall ( IRpcChannelBuffer* pChannel, PRPC_MESSAGE pRpcMsg, PMIDL_STUB_MESSAGE pStubMsg, PMIDL_STUB_DESC pStubDescriptor, PFORMAT_STRING pFormat, void* pParamList ) (1)
[+] NdrStubCall ( IRpcStubBuffer* pThis, IRpcChannelBuffer* pChannel, PRPC_MESSAGE pRpcMsg, unsigned long* pdwStubPhase ) (2)
[+] NdrStubCall2 ( IRpcStubBuffer* pThis, IRpcChannelBuffer* pChannel, PRPC_MESSAGE pRpcMsg, unsigned long* pdwStubPhase ) (2)

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Header Files (8)

midles.h
rpcasync.h
rpcdce.h
rpcdcep.h
rpcndr.h
rpcproxy.h
rpcssl.h
unknwn.h

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Dynamic Libraries (1)

rpcrt4.dll

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