As suggested by Exchange Online Forum admin, I am reposting this to Exchange Dev forum.
I am not sure is this a bug or stripped down feature in Exchange Online, but I know that it is severely affecting integration of our ERP system with Exchange Online:
Folder element in GetFolder response does not include PermissionSet element. Samples request and invalid and correct responses are bellow.
Thanks,
Boris
Request:
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:m="http://schemas.microsoft.com/exchange/services/2006/messages"><soapenv:Header><t:RequestServerVersion Version="Exchange2010_SP1"/></soapenv:Header><soapenv:Body><m:GetFolder><m:FolderShape><t:BaseShape>AllProperties</t:BaseShape></m:FolderShape><m:FolderIds><t:FolderId Id=".............................................." /></m:FolderIds></m:GetFolder> </soapenv:Body></soapenv:Envelope>
Incomplete response from Exchange Online:
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"><s:Header><h:ServerVersionInfo MajorVersion="15" MinorVersion="0" MajorBuildNumber="670" MinorBuildNumber="17" Version="Exchange2013" xmlns:h="http://schemas.microsoft.com/exchange/services/2006/types" xmlns="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"/></s:Header><s:Body><m:GetFolderResponse xmlns:m="http://schemas.microsoft.com/exchange/services/2006/messages" xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types"><m:ResponseMessages><m:GetFolderResponseMessage ResponseClass="Success"><m:ResponseCode>NoError</m:ResponseCode><m:Folders><t:Folder><t:FolderId Id="................" ChangeKey="............"/><t:ParentFolderId Id="...................." ChangeKey=".............."/><t:DisplayName>AP_VCHERS</t:DisplayName><t:TotalCount>3</t:TotalCount><t:ChildFolderCount>0</t:ChildFolderCount><t:EffectiveRights><t:CreateAssociated>true</t:CreateAssociated><t:CreateContents>true</t:CreateContents><t:CreateHierarchy>true</t:CreateHierarchy><t:Delete>true</t:Delete><t:Modify>true</t:Modify><t:Read>true</t:Read></t:EffectiveRights><t:UnreadCount>0</t:UnreadCount></t:Folder></m:Folders> !!!!MISSING <t:PermissionSet></m:GetFolderResponseMessage></m:ResponseMessages></m:GetFolderResponse></s:Body></s:Envelope>
Good response from Exchange 2010:
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"><s:Header><h:ServerVersionInfo MajorVersion="14" MinorVersion="1" MajorBuildNumber="438" MinorBuildNumber="0" Version="Exchange2010_SP1" xmlns:h="http://schemas.microsoft.com/exchange/services/2006/types" xmlns="http://schemas.microsoft.com/exchange/services/2006/types" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"/></s:Header><s:Body xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><m:GetFolderResponse xmlns:m="http://schemas.microsoft.com/exchange/services/2006/messages" xmlns:t="http://schemas.microsoft.com/exchange/services/2006/types"><m:ResponseMessages><m:GetFolderResponseMessage ResponseClass="Success"><m:ResponseCode>NoError</m:ResponseCode><m:Folders><t:Folder><t:FolderId Id="..........................." ChangeKey="....."/><t:ParentFolderId Id="......................." ChangeKey="....."/><t:DisplayName>AP_VOUCHERS</t:DisplayName><t:TotalCount>36</t:TotalCount><t:ChildFolderCount>0</t:ChildFolderCount><t:EffectiveRights><t:CreateAssociated>true</t:CreateAssociated><t:CreateContents>true</t:CreateContents><t:CreateHierarchy>true</t:CreateHierarchy><t:Delete>true</t:Delete><t:Modify>true</t:Modify><t:Read>true</t:Read></t:EffectiveRights><t:PermissionSet> !!!!GOOD RESPONSE<t:Permissions><t:Permission><t:UserId><t:DistinguishedUser>Default</t:DistinguishedUser></t:UserId><t:CanCreateItems>false</t:CanCreateItems><t:CanCreateSubFolders>false</t:CanCreateSubFolders><t:IsFolderOwner>false</t:IsFolderOwner><t:IsFolderVisible>false</t:IsFolderVisible><t:IsFolderContact>false</t:IsFolderContact><t:EditItems>None</t:EditItems><t:DeleteItems>None</t:DeleteItems><t:ReadItems>None</t:ReadItems><t:PermissionLevel>None</t:PermissionLevel></t:Permission><t:Permission><t:UserId><t:DistinguishedUser>Anonymous</t:DistinguishedUser></t:UserId><t:CanCreateItems>false</t:CanCreateItems><t:CanCreateSubFolders>false</t:CanCreateSubFolders><t:IsFolderOwner>false</t:IsFolderOwner><t:IsFolderVisible>false</t:IsFolderVisible><t:IsFolderContact>false</t:IsFolderContact><t:EditItems>None</t:EditItems><t:DeleteItems>None</t:DeleteItems><t:ReadItems>None</t:ReadItems><t:PermissionLevel>None</t:PermissionLevel></t:Permission><t:Permission><t:UserId><t:SID>S-1-5-21-122642565-3798337455-3339469499-1452</t:SID><t:PrimarySmtpAddress>User1@mydomain.com</t:PrimarySmtpAddress><t:DisplayName>User1</t:DisplayName></t:UserId><t:CanCreateItems>true</t:CanCreateItems><t:CanCreateSubFolders>false</t:CanCreateSubFolders><t:IsFolderOwner>false</t:IsFolderOwner><t:IsFolderVisible>true</t:IsFolderVisible><t:IsFolderContact>false</t:IsFolderContact><t:EditItems>Owned</t:EditItems><t:DeleteItems>Owned</t:DeleteItems><t:ReadItems>FullDetails</t:ReadItems><t:PermissionLevel>Author</t:PermissionLevel></t:Permission><t:Permission><t:UserId><t:SID>S-1-5-21-122642565-3798337455-3339469499-1454</t:SID><t:PrimarySmtpAddress>User3@mydomain.com</t:PrimarySmtpAddress><t:DisplayName>User3</t:DisplayName></t:UserId><t:CanCreateItems>true</t:CanCreateItems><t:CanCreateSubFolders>false</t:CanCreateSubFolders><t:IsFolderOwner>false</t:IsFolderOwner><t:IsFolderVisible>true</t:IsFolderVisible><t:IsFolderContact>false</t:IsFolderContact><t:EditItems>Owned</t:EditItems><t:DeleteItems>Owned</t:DeleteItems><t:ReadItems>FullDetails</t:ReadItems><t:PermissionLevel>Author</t:PermissionLevel></t:Permission><t:Permission><t:UserId><t:SID>S-1-5-21-122642565-3798337455-3339469499-1453</t:SID><t:PrimarySmtpAddress>User2@mydomain.com</t:PrimarySmtpAddress><t:DisplayName>User2</t:DisplayName></t:UserId><t:CanCreateItems>true</t:CanCreateItems><t:CanCreateSubFolders>false</t:CanCreateSubFolders><t:IsFolderOwner>false</t:IsFolderOwner><t:IsFolderVisible>true</t:IsFolderVisible><t:IsFolderContact>false</t:IsFolderContact><t:EditItems>Owned</t:EditItems><t:DeleteItems>Owned</t:DeleteItems><t:ReadItems>FullDetails</t:ReadItems><t:PermissionLevel>Author</t:PermissionLevel></t:Permission><t:Permission><t:UserId><t:SID>S-1-5-21-122642565-3798337455-3339469499-500</t:SID><t:PrimarySmtpAddress>Administrator@mydomain.com</t:PrimarySmtpAddress><t:DisplayName>Administrator</t:DisplayName></t:UserId><t:CanCreateItems>true</t:CanCreateItems><t:CanCreateSubFolders>true</t:CanCreateSubFolders><t:IsFolderOwner>true</t:IsFolderOwner><t:IsFolderVisible>true</t:IsFolderVisible><t:IsFolderContact>true</t:IsFolderContact><t:EditItems>All</t:EditItems><t:DeleteItems>All</t:DeleteItems><t:ReadItems>FullDetails</t:ReadItems><t:PermissionLevel>Owner</t:PermissionLevel></t:Permission></t:Permissions></t:PermissionSet><t:UnreadCount>2</t:UnreadCount></t:Folder></m:Folders></m:GetFolderResponseMessage></m:ResponseMessages></m:GetFolderResponse></s:Body></s:Envelope>