diff --git a/src/app/workspace/backend.service.ts b/src/app/workspace/backend.service.ts
index 1f0e48d03813d9a74f52f5594bd49b1ba691227b..66d41e4ba047c4736204d46023d58b6f256873d5 100644
--- a/src/app/workspace/backend.service.ts
+++ b/src/app/workspace/backend.service.ts
@@ -4,18 +4,24 @@ import {Injectable, Inject} from '@angular/core';
 import { HttpClient } from '@angular/common/http';
 import { Observable } from 'rxjs';
 import { catchError } from 'rxjs/operators';
+import {WorkspaceDataService} from "./workspacedata.service";
+import {MainDataService} from "../maindata.service";
 import { ErrorHandler, ServerError } from 'iqb-components';
 
 @Injectable()
 
 export class BackendService {
   private serverUrlSlim = '';
+  private serverUrlSysCheck = '';
 
   constructor(
     @Inject('SERVER_URL') private readonly serverUrl: string,
-    private http: HttpClient) {
+    private http: HttpClient,
+    private wds: WorkspaceDataService,
+    private mds: MainDataService) {
 
     this.serverUrlSlim = this.serverUrl + 'php/ws.php/';
+    this.serverUrlSysCheck = this.serverUrl + 'php_admin/';
     this.serverUrl = this.serverUrl + 'php/';
   }
 
@@ -117,8 +123,9 @@ export class BackendService {
   }
 
   getSysCheckReportList(): Observable<SysCheckStatistics[] | ServerError> {
+    const loginData = this.mds.loginData$.getValue();
     return this.http
-      .post<SysCheckStatistics[]>(this.serverUrl + 'getSysCheckReportList.php', {})
+      .post<SysCheckStatistics[]>(this.serverUrlSysCheck + 'getSysCheckReportList.php', {ws: this.wds.workspaceId$.getValue(), at: loginData.admintoken})
         .pipe(
           catchError(ErrorHandler.handle)
         );
@@ -126,18 +133,20 @@ export class BackendService {
 
   getSysCheckReport(reports: string[], columnDelimiter: string,
                     quoteChar: string): Observable<string[] | ServerError> {
+    const loginData = this.mds.loginData$.getValue();
     return this.http
-      .post<string[]>(this.serverUrl + 'getSysCheckReport.php',
-        {r: reports, cd: columnDelimiter, q: quoteChar})
+      .post<string[]>(this.serverUrlSysCheck + 'getSysCheckReport.php',
+        {r: reports, cd: columnDelimiter, q: quoteChar, ws: this.wds.workspaceId$.getValue(), at: loginData.admintoken})
           .pipe(
             catchError(ErrorHandler.handle)
           );
   }
 
   deleteSysCheckReports(reports: string[]): Observable<boolean | ServerError> {
+    const loginData = this.mds.loginData$.getValue();
     return this.http
-      .post<boolean>(this.serverUrl + 'deleteSysCheckReports.php',
-        {r: reports})
+      .post<boolean>(this.serverUrlSysCheck + 'deleteSysCheckReports.php',
+        {r: reports, ws: this.wds.workspaceId$.getValue(), at: loginData.admintoken})
           .pipe(
             catchError(ErrorHandler.handle)
           );
diff --git a/src/app/workspace/workspacedata.service.ts b/src/app/workspace/workspacedata.service.ts
index 4fee611b1d4b0bb3021e56ff0f5d39a094f98d84..07fc24f00f71db2011b2a7a8bc50cc343dfd82b2 100644
--- a/src/app/workspace/workspacedata.service.ts
+++ b/src/app/workspace/workspacedata.service.ts
@@ -27,13 +27,13 @@ export class WorkspaceDataService {
 
   private navLinksRW = [
     {path: 'files', label: 'Dateien'},
-    //  {path: 'syscheck', label: 'System-Check Berichte'},
+    {path: 'syscheck', label: 'System-Check Berichte'},
     {path: 'monitor', label: 'Monitor'},
     {path: 'results', label: 'Ergebnisse'}
   ];
   private navLinksRO = [
     {path: 'files', label: 'Dateien'},
-    // {path: 'syscheck', label: 'System-Check Berichte'},
+    {path: 'syscheck', label: 'System-Check Berichte'},
     {path: 'monitor', label: 'Monitor'},
     {path: 'results', label: 'Ergebnisse'}
   ];
diff --git a/src/environments/environment.build.ts b/src/environments/environment.build.ts
index 6d22e96ae76880fc5de9246aefbca9845550538d..b60edfbc375642c3ef367e114779c0c170576792 100644
--- a/src/environments/environment.build.ts
+++ b/src/environments/environment.build.ts
@@ -2,7 +2,7 @@
 
 export const environment = {
   production: false,
-  testcenterUrl: 'https://www.iqb-testcenter.de/admin/',
+  testcenterUrl: 'https://ocba.iqb.hu-berlin.de/admin/',
   appName: 'IQB-Testcenter Verwaltung',
   appPublisher: 'IQB - Institut zur Qualitätsentwicklung im Bildungswesen',
   appVersion: '1.0 - 8.4.2019'
diff --git a/src/environments/environment.prod.ts b/src/environments/environment.prod.ts
index d5f6ab4b49e7815254829a2c9b1211ef69259a24..8a5ba1565dc5453ca553addc4915e3f35b0eeb04 100644
--- a/src/environments/environment.prod.ts
+++ b/src/environments/environment.prod.ts
@@ -5,5 +5,5 @@ export const environment = {
   testcenterUrl: '/admin/',
   appName: 'IQB-Testcenter Verwaltung',
   appPublisher: 'IQB - Institut zur Qualitätsentwicklung im Bildungswesen',
-  appVersion: '1.0 - 8.4.2019'
+  appVersion: '1.1 - 10.2.2020'
 };
diff --git a/src/environments/environment.ts b/src/environments/environment.ts
index 0f4374865fc8a9e28f6c71a78de004af5473177a..aa95c755dfd361bf979fe973f4b11f1d2b7f5c73 100644
--- a/src/environments/environment.ts
+++ b/src/environments/environment.ts
@@ -5,8 +5,8 @@
 
 export const environment = {
   production: false,
-  testcenterUrl: 'https://www.iqb-testcenter.de/admin/',
+  testcenterUrl: 'https://ocba.iqb.hu-berlin.de/admin/',
   appName: 'IQB-Testcenter Verwaltung',
   appPublisher: 'IQB - Institut zur Qualitätsentwicklung im Bildungswesen',
-  appVersion: '0.5 (dev)'
+  appVersion: '0.53.4 (dev)'
 };