12/9/2022 0 Comments Shp redirector![]() ![]() To resolve this issue for ArcGIS for Desktop, the registry must be updated to disable the SMB2 caching. In the case of ArcGIS for Desktop lock creation, this cache regeneration is not fast enough.įor more information, see the following Microsoft TechNet article: SMB2 Client Redirector Caches Explained. SHP REDIRECTOR WINDOWS 7However, by default, at the Windows 7 and Server 2008 R2 releases, these caches are set to refresh every ten seconds. At the Windows Vista and Server 2008 release, three file metadata caches were implemented to speed up the return of the most recently accessed file and directory information. ![]() ![]() This problem is due to an issue within the SMB2 Client Redirector cache. This issue does not affect file shares over SMBv3, as SMBv3 implements DrirectoryLeasing, which makes the metadata cache for SMB a coherent cache and renders the Director圜acheLifetime parameter, the root cause of this issue, obsolete. Users may experience this issue when a program creates a file, such as a lock file, and then verifies the file exists immediately after creation. If this data exists on a file share such as a Network Attached Storage (NAS) or other device using Samba over SMBv2, there may be a problem with the Windows SMB2 cache. When performing various workflows within ArcGIS for Desktop, users may experience the error that a lock cannot be acquired. Problem: Cannot acquire a lock while accessing data on a file share using SMBv2 Description ![]()
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