even though this an older topic, I figured I'd reply with how I got around this same exact issue.
It ended up being user rights at the IIS level for the domain that the site was installed in. I had to set the IIS_USER to have the following rights to the directory -
Modify (which was missing for me and I think was causing the issue) Read & execute List folder contents Read Write
even though this an older topic, I figured I'd reply with how I got around this same exact issue.
It ended up being user rights at the IIS level for the domain that the site was installed in. I had to set the IIS_USER to have the following rights to the directory -
Modify (which was missing for me and I think was causing the issue) Read & execute List folder contents Read Write