Accessing Office Documents over WebDAV Folder mount is not working on some Systems

[roadfox]

Nextcloud version: 19.0.7

The issue you are facing:

When trying to open a word or excel document on a webdav mounted drive we get the following error:

Cannot Download The Information You Requested

Steps to reproduce

1. mount nextcloud over webdav to a drive letter
2. doubleclick a microsoft office document
3. word or excell is starting and then outputs an error

Log from a system with error:

/var/log/apache2/access.log:

tester [09/Feb/2021:11:43:14 +0100] "PROPFIND /remote.php/dav/files/tester/Share%20G_TEST/desktop.ini HTTP/1.1" 404 1216 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
tester [09/Feb/2021:11:43:14 +0100] "PROPFIND /remote.php/dav/files/tester/Share%20G_TEST HTTP/1.1" 207 1572 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
tester [09/Feb/2021:11:43:14 +0100] "PROPFIND /remote.php/dav/files/tester HTTP/1.1" 207 1569 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
tester [09/Feb/2021:11:43:14 +0100] "PROPFIND /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 207 1497 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
tester [09/Feb/2021:11:43:14 +0100] "PROPFIND /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 207 1497 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
tester [09/Feb/2021:11:43:14 +0100] "GET /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 304 274 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
- [09/Feb/2021:11:43:15 +0100] "OPTIONS /remote.php/dav/files/tester/Share%20G_TEST/ HTTP/1.1" 200 9954 "-" "Microsoft Office Word 2014"
- [09/Feb/2021:11:43:15 +0100] "OPTIONS /remote.php/dav/files/tester/Share%20G_TEST/ HTTP/1.1" 200 881 "-" "Microsoft Office Word 2014"
- [09/Feb/2021:11:43:15 +0100] "OPTIONS /remote.php/dav/files/tester/Share%20G_TEST/ HTTP/1.1" 200 9950 "-" "Microsoft Office Word"
- [09/Feb/2021:11:43:15 +0100] "HEAD /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 200 862 "-" "Microsoft Office Word 2014"
- [09/Feb/2021:11:43:15 +0100] "GET /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 401 1618 "-" "Microsoft Office/16.0 (Windows NT 10.0; Microsoft Word 16.0.13628; Pro)"
- [09/Feb/2021:11:43:15 +0100] "GET /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 401 10321 "-" "Mozilla/4.0 (compatible; ms-office; MSOffice 16)"

Log from a working system:

tester [09/Feb/2021:11:17:10 +0100] "PROPFIND /remote.php/dav/files/tester/Share%20G_TEST HTTP/1.1" 207 1572 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
tester [09/Feb/2021:11:17:12 +0100] "PROPFIND /remote.php/dav/files/tester/Share%20G_TEST/desktop.ini HTTP/1.1" 404 1091 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
tester [09/Feb/2021:11:17:12 +0100] "PROPFIND /remote.php/dav/files/tester HTTP/1.1" 207 1569 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
tester [09/Feb/2021:11:17:12 +0100] "PROPFIND /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 207 1497 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
tester [09/Feb/2021:11:17:12 +0100] "GET /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 304 274 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
tester [09/Feb/2021:11:17:12 +0100] "PROPFIND /remote.php/dav/files/tester/Share%20G_TEST/Kopie%20von%20Ferienliste-2021.xlsx HTTP/1.1" 207 1511 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
tester [09/Feb/2021:11:17:12 +0100] "GET /remote.php/dav/files/tester/Share%20G_TEST/Kopie%20von%20Ferienliste-2021.xlsx HTTP/1.1" 304 274 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
- [09/Feb/2021:11:17:13 +0100] "OPTIONS /remote.php/dav/files/tester/Share%20G_TEST/ HTTP/1.1" 200 9950 "-" "Microsoft Office Word 2014"
- [09/Feb/2021:11:17:13 +0100] "OPTIONS /remote.php/dav/files/tester/Share%20G_TEST/ HTTP/1.1" 200 1390 "-" "Microsoft Office Word 2014"
- [09/Feb/2021:11:17:13 +0100] "OPTIONS /remote.php/dav/files/tester/Share%20G_TEST/ HTTP/1.1" 200 1278 "-" "Microsoft Office Word"
- [09/Feb/2021:11:17:13 +0100] "HEAD /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 200 862 "-" "Microsoft Office Word 2014"
tester [09/Feb/2021:11:17:13 +0100] "PROPFIND /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 207 1497 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
tester [09/Feb/2021:11:17:13 +0100] "LOCK /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 200 1295 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
tester [09/Feb/2021:11:17:13 +0100] "GET /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 200 13115 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"
- [09/Feb/2021:11:17:13 +0100] "HEAD /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 200 9532 "-" "Microsoft Office Existence Discovery"
tester [09/Feb/2021:11:17:15 +0100] "UNLOCK /remote.php/dav/files/tester/Share%20G_TEST/dsagdsfgsd.docx HTTP/1.1" 204 615 "-" "Microsoft-WebDAV-MiniRedir/10.0.19042"

we checked allot of thing’s like the parameters in:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WebClient\Parameters

but cannot identify the difference between a working and non working client.
any idea where to look or how to further troubleshoot?

[roadfox]

This is a duplicate of:

Unable to open office files with WebDAV

It may be a coincidence, but I have not been able to open MS Office files since I updated to NC20.0.6. Now it’s 20.0.7. I have NC mounted on a network drive in Windows 10. When I try to open a file, Office warns me that it cannot download the information I need. I can’t open .doc, docx, xls, xlsx, csv all. I can open it with no problem using LibreOffice. Office versions are 2016 and 2019. I can download it locally and open it without any problem. I can duplicate the corresponding file on NC, …