Let's take a look at deploying the operating system from the software center. Click Install to display the report, and the task sequence box doesn't pop up

From the client C:\windows\ccm\log Directory open TSAgent Log to obtain relevant fault information

SCCM Software Center installation operating system failure Task Sequence. Error code 0x8007

reply has no message header marker  TSAgent 2021/4/21 19:23:17  5672 (0x1628)
Failed to request policy assignments (Code 0x80004005)  TSAgent 2021/4/21 19:23:17  5672 (0x1628)
Error initializing TSPolicyManager. Code 0x80004005 TSAgent 2021/4/21 19:23:17  5672 (0x1628)
Error initializing policy environment variables. Code 0x80004005    TSAgent 2021/4/21 19:23:17  5672 (0x1628)
Error LoadPolicyBasedEnvVars, return code 80004005  TSAgent 2021/4/21 19:23:17  5672 (0x1628)
Error initializing Task Sequence environment. Code 0x80004005   TSAgent 2021/4/21 19:23:17  5672 (0x1628)
Task sequence launcher deployment failed!. Code 0x80004005  TSAgent 2021/4/21 19:23:17  5672 (0x1628)
Failed to open the task sequence key HKLM\Software\Microsoft\SMS\Task Sequence. Error code 0x80070002   TSAgent 2021/4/21 19:23:17  5672 (0x1628)
Failed to open the task sequence key HKLM\Software\Microsoft\SMS\Task Sequence. Error code 0x80070002   TSAgent 2021/4/21 19:23:17  5672 (0x1628)
Successfully unregistered Task Sequence Progress UI.    TSAgent 2021/4/21 19:23:18  5672 (0x1628)
CTSAgent::Execute - Failed to launch Task Sequence manager. TSAgent 2021/4/21 19:23:18  5672 (0x1628)

Key information found when checking site status information * Because I didn't get the package “88800001”-“”( edition 7) The content of **

SCCM Software Center installation operating system failure Task Sequence. Error code 0x8007

 Deploy “888201D6” The program for has not started yet , Because I didn't get the package “88800001”-“*”( edition  7) The content of . Probable cause :  The contents of this program must be downloaded to the computer's cache , Or can't find the content .
 Solution :  If you are downloading a program , There is no need to operate . Once the download is successful , The program will start . If you can't find the content , Make sure the distribution point with this content is available for this computer . Configuration by boundary ( Used to determine whether a distribution point is classified as local or remote ) Or by enabling a distribution point to be a protected distribution point , Can affect distribution point availability .

It's easy to find fault information , Go to the site server and redistribute these related packages verification Update the distribution point .