VBA Query won't Edit

Can someone point out why this code crashes at the .Edit saying that the database or query is read-only?

The code is set in an Access 2010 front-end linked to a SQL Server database.

The Access file is not read only - lots of similar procedures run OK.

The dataset the query produces is updateable - i can open it manually and change the DistributeOrderCard field.

Sub TestCust()
Dim db As Database
Dim recust As Recordset

Set db = CurrentDb()

'open customers
Set recCust = db.OpenRecordset("qry101DistNewOrderCards", dbOpenDynaset, dbSeeChanges)
'test
recCust.Edit
recCust![DistributeOrderCard] = False
recCust.Update
End Sub

LJKMartinAsked: 2016-08-31

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LVL 42

PatHartmanConnect With a Mentor Commented: 2016-09-06

Help for Access has gotten progressively worse since its peak with A97 but strangely enough, Help actually gives you this answer.

https://msdn.microsoft.com/en-us/library/office/ff820966.aspx

LVL 25

SStoryCommented: 2016-08-31

I'm thinking about the tables or views that you are accessing on the SQL Server side. Do you have permissions to do more than just read?

Also certain types of queries are always read only. Then there is Access Secuirty permissions and SQL Server Security perms

LVL 120

Rey Obrero (Capricorn1)Commented: 2016-08-31

also, see if your query "qry101DistNewOrderCards" falls in the items listed from this link
When can I update data from a query?

LJKMartinAuthor Commented: 2016-08-31

Ah yes, the query is Dynaset (inconsistent updates). Is there a way of making it updateable via VBA.

LVL 25

SStoryCommented: 2016-08-31

LJKMartin: First make sure permissions are set to allow it in SQL Server and in Access. Is this VBA inside of Access itself?

LVL 42

PatHartmanCommented: 2016-09-01

Open the query in datasheet view. Can you update rows? If you can't then you can't use the query in VBA as an editable recordsource.

What is making the query not updateable?

LJKMartinAuthor Commented: 2016-09-04

Yes, I can open the query in datasheet view and edit, but only because it's Dynaset (inconsistent updates).

The option in VBA is dbOpenDynaset, so I guess that's not allowing inconsistent updates. Is there an option that allows inconsistent updates?

The query selects from another that has outer joins - which makes it not updateable.

I'm not sure what permissions I need to check, but there are dozens of other queries that work fine, so I'll be surprised if it's that.