Event ID - 4

Event Id	4
Source	BITS Server Extensions
Description	BITS has encountered %2 error while deleting the job %1 from the virtual directory %3.
Event Information	According to Microsoft : Cause : This event is logged when BITS has encountered error while deleting the job from the virtual directory. Resolution : Check if the GUID corresponding to the session exists To resolve this issue, check if the GUID corresponding to the session exists: To perform this procedure, you must have membership in the local Administrators group, or you must have been delegated the appropriate authority. Ensure the directory corresponding to the vdir exists: On the BITS Upload page, click the Content View tab. Ensure that the BITS Session folder exists in vdir : From the Features view of the BITS Uploads page, expand the inetpub folder. Click wwwroot , and then check if the BITS Session folder exists. Confirm the directory corresponding to vdir exists. Confirm that the job folder with corresponding GUID name is not in use by any other program. If the physical directory for the vdir is a remote share, confirm that the connect as user name and password are correct. Run the CleanUp task again: Click Default Web sites , click vdir , click the Features tab at the bottom of the IIS Manager screen. Click BITS Uploads . Click Run CleanUp Task . Verify : To verify that the task scheduler has cleaned up all the stale data in BITS: Ensure that bitsmgr.dll is present in %windir%\system32 . Open Task Scheduler . From the Start menu, right-click My Computer , and then click Manage . Click Task Scheduler . Verify that a task with name starting with BITS_{vdirname} exists.
Reference Links	Event ID 4 from Source BITS Server Extensions

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