I read the defrag issue had been addressed in Preview Build 19551 but that was back in January.

Announcing Windows 10 Insider Preview Build 19551 | Windows Experience Blog

What channel are you using for 5GHz?

I once had a 5GHz adapter that I think was broadcom based and it would lose connection all the time until I lowered from triple number channels.

It was...

After upgrade to 1903 I had this ESENT error over and over in event viewer.

svchost (4304,R,98) TILEREPOSITORYS-1-5-18: Error -1023 (0xfffffc01) occurred while opening logfile...

I explored the install.wim with 7zip and did find all the files in both the index 1 and index 2 folders.

The files are also installed on my system.

Paths where I found the files reference index...

Not sure what you did but I was able to add System without any issue.

In the Select User, Computers, or Groups dialog box you type in System not NT AUTHORITY\SYSTEM.

Just wanted to add that I had this error as well and I did find the entry in dcom but not under the CLID "CDP Activity Store" name that was listed.

I was able to find the entry down toward the...