MS Teams - contacts disappear

Oliver Müller 1

My contact list in MS Teams disappear from time to time. I created several groups.
Only a restart helps.
Is this problem known to others?

Sharon Zhao-MSFT 25,126 Reputation points Microsoft Vendor

2021-02-18T01:33:32.743+00:00

@Oliver Müller ,

Currently in Microsoft Q&A we only support English, could you please edit your question into English? Then we can help to solve your issues, thanks for your understanding.
Oliver Müller 1 Reputation point

2021-02-18T09:48:56.993+00:00

not sure why my previous answer disappeared. will post again.
This window shows, only a restart helps.

1 answer

Sharon Zhao-MSFT 25,126 Reputation points Microsoft Vendor

2021-02-18T09:36:32.303+00:00
@Oliver Müller ,

Does this issue persist all the time? Or what changes do you do before happened?

Does anyone else have the same issue?

Currently, this is not a known issue. I checked in my lab. It works properly.

You could log in Teams web client(https://teams.microsoft.com) to check if this issue exists.

Except restarting Teams, try to clear the client cache by deleting any files in the following folders and make sure the client is the latest version:

%appdata%\Microsoft\teams\application cache\cache

%appdata%\Microsoft\teams\blob_storage

%appdata%\Microsoft\teams\Cache

%appdata%\Microsoft\teams\databases

%appdata%\Microsoft\teams\GPUcache

%appdata%\Microsoft\teams\IndexedDB

%appdata%\Microsoft\teams\Local Storage

%appdata%\Microsoft\teams\tmp

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Oliver Müller 1 Reputation point

2021-02-18T09:50:06.443+00:00

OK will try clearing all temp files.

Oliver Müller 1 Reputation point

2021-02-18T11:34:41.907+00:00

Instead of application cache\cache --> is it Code Cache with my version instead?

Sharon Zhao-MSFT 25,126 Reputation points Microsoft Vendor

2021-02-19T07:42:39.1+00:00

@Oliver Müller
No, the two folders are different.
If no application folder, just deleting other folders.

Sharon Zhao-MSFT 25,126 Reputation points Microsoft Vendor

2021-02-24T08:45:24.62+00:00

@Oliver Müller
Do you have any update now?

Sharon Zhao-MSFT 25,126 Reputation points Microsoft Vendor

2021-02-26T07:22:01.597+00:00

@Oliver Müller
Haven't received your update for a long time, any update now?
If the above suggestion helps, please be free to mark it as answer for helping more people.

Oliver Müller 1 Reputation point

2021-02-26T07:25:59.907+00:00

Unfortunately the problem did not go away. It still happens about once a day.

Sharon Zhao-MSFT 25,126 Reputation points Microsoft Vendor

2021-03-03T09:54:54.227+00:00

@Oliver Müller
If many users have the same issue as yours, you could contact IT admin to check if there is any related message of Microsoft Teams health status in Microsoft 365 admin center > Health > Service health.
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MS Teams - contacts disappear

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