| To resolve this issue execute the following steps:
You should be able to resolve this problem by configuring IIS to cache the anonymous home directory handle, which reduces the number of SMB items on the server and preserves threads.
Caution: Incorrectly editing the registry might severely damage your system. Before making changes to the registry, you should back up any valued data on the computer.
To enable IIS to cache the anonymous home directory handle, create the following keys in the registry:
1. From the Start menu, click Run.
2. In the Open box, type Regedit.exe, and click OK.
3. Navigate to and double-click the following key in the registry:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\InetInfo\Parameters
4. From the Edit menu, point to New, and then click Key. To create the new key, do the following:
5. Type the following name: CacheAnonymousHomeDirInfo
6. Right-click the CacheAnonymousHomeDirInfo key, point to New, and then click DWORD value. A new DWORD value appears in the right pane of Registry Editor.
7. Right-click the new DWORD value and click Modify. The Edit DWORD Value box appears.
8. In the Value data box, type 1 (or any non-zero numeric value).
9. Navigate to and double-click the following key in the registry:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\InetInfo\Parameters
10. From the Edit menu, point to New, and then click Key. To create the new key, do the following:
11. Type the following name: AnonymousHomeDirInfoInterval
12. Right-click the AnonymousHomeDirInfoInterval key, point to New, and then click DWORD value. A new DWORD value appears in the right pane of Registry Editor.
13. Right-click the new DWORD value and click Modify. The Edit DWORD Value box appears.
14. In the Value data box, type the value that you want.
This value, in seconds, specifies how long the cached handle for the anonymous home directory should be used. The default value is 10.
15. Navigate to and double-click the following key in the registry:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\InetInfo\Parameters
16. From the Edit menu, point to New, and then click Key. To create the new key, do the following:
17. Type the following name: AnonymousHomeDirInfoGrace
18. Right-click the AnonymousHomeDirInfoGrace key, point to New, and then click DWORD value. A new DWORD value appears in the right pane of Registry Editor.
19. Right-click the new DWORD value and click Modify. The Edit DWORD Value box appears.
20. In the Value data box, type the value that you want.
This value, in seconds, specifies the grace period, or the length of time that the FTP service will serve the cached handle for the Home directory. The grace period ensures that new anonymous connections can access the cached handle even if AnonymousHomeDirInfoInterval has expired and a new handle is being cached. The default value is 1.
21. Quit Registry Editor and restart the FTP service.
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